Proverbes Et Citations

  • Harry Potter: Is this real? Or has this been happening inside my head? Professor Albus Dumbledore: Of course it is happening inside your head, Harry, but why on earth should that mean that it is not real?” ― (J.K. Rowling, Harry Potter and the Deathly Hallows)

  • “I do know what time is,” Tubby declared. He paused. “Time,” he added slowly – “time is what keeps everything from happening at once. I know that–I seen it in print too.” (Ray Cummings)

  • “You don’t see it because it’s there, it’s there because you see it.”

  • “Ni rire, ni pleurer, ni haïr, mais comprendre” (Baruch Spinoza)

  • “For years there has been a theory that millions of monkeys typing at random on millions of typewriters would reproduce the entire works of Shakespeare. The Internet has proven this theory to be untrue.” (???, ???)

  • “Je me suis endormie, ce matin/en pensant/sur tes lèvres.” (Anonyme, sur les murs, Marseille, 2017)

  • “If you can look into the seeds of time, And say which grain will grow and which will not; Speak…” (Shakespeare, Macbeth, Act I, Scene 3)

  • “Here, too, the honorable finds its due, and there are tears for passing things; here, too, things mortal touch the mind.” (Virgil, Aeneid, 29-19 BC)

  • “Man’s maturity is to have regained the seriousness that he had as a child at play.” (Friedrich Nietzsche)

  • “There are 10 types of people in the world. Those who understand binary, those who don’t, those who weren’t expecting a base 8 joke, and 5 other types of people.” John Story

  • “Ce qui fut se refait; tout coule comme une eau / Et rien dessous le Ciel ne se voit de nouveau/ Mais la forme se change en une autre nouvelle/ Et ce changement-là. Vivre au monde s’appelle” - Ronsard, Hymnes.

  • “Hanlon’s Razor: Never attribute to malice what is adequately explained by stupidity.”

  • “Essentially, all models are wrong, but some are useful.” — Box, George E. P.; Norman R. Draper (1987). Empirical Model-Building and Response Surfaces, p. 424, Wiley. ISBN 0471810339

  • “Computers were around for 50 years before we figured out how to create the internet for example.”

  • “In sum, the physicist can never subject an isolated hypothesis to experimental test, but only a whole group of hypotheses; when the experiment is in disagreement with his predictions, what he learns is that at least one of the hypotheses constituting this group is unacceptable and ought to be modified; but the experiment does not designate which one should be changed.” (P. Duhem, The Aim and Structure of Physical Theory, 1914)

  • “Un bon maître a ce souci constant : enseigner à se passer de lui.” - André Gide

  • “Truth in science can be defined as the working hypothesis best suited to open the way to the next better one.”(Konrad Lorenz)

  • “all motion is illusion” (Zeno of Elea, 490 BC )

  • “Be humble for you are made of dung. Be noble for you are made of stars.” (Serbian proverb)

  • “voir des objets ne consiste pas à en extraire des traits visuels, mais à guider visuellement l’action dirigée vers eux.” (Francisco Varela in “L’inscription corporelle de l’esprit”)

  • “la mémoire n’est pas faite pour se rappeler du passé mais pour prédire le futur.” (Alain Berthoz , 2010)

  • In the days when the Sussman was a novice, Minsky once came to him as he sat hacking at the PDP-6. “What are you doing?”, asked Minsky. “I am training a randomly wired neural net to play Tic-tac-toe”, Sussman replied. “Why is the net wired randomly?”, asked Minsky. “I do not want it to have any preconceptions of how to play”, Sussman said. Minsky then shut his eyes. “Why do you close your eyes?” Sussman asked his teacher. “So that the room will be empty.” At that moment, Sussman was enlightened.

  • “It doesn’t matter how beautiful your theory is, it doesn’t matter how smart you are. If it doesn’t agree with experiment, it’s wrong.” Richard P. Feynman

  • “Think of the image of the world in a convex mirror. … A well-made convex mirror of moderate aperture represents the objects in front of it as apparently solid and in fixed positions behind its surface. But the images of the distant horizon and of the sun in the sky lie behind the mirror at a limited distance, equal to its focal length. Between these and the surface of the mirror are found the images of all the other objects before it, but the images are diminished and flattened in proportion to the distance of their objects from the mirror. … Yet every straight line or plane in the outer world is represented by a straight line or plane in the image. The image of a man measuring with a rule a straight line from the mirror, would contract more and more the farther he went, but with his shrunken rule the man in the image would count out exactly the same results as in the outer world, all lines of sight in the mirror would be represented by straight lines of sight in the mirror. In short, I do not see how men in the mirror are to discover that their bodies are not rigid solids and their experiences good examples of the correctness of Euclidean axioms. But if they could look out upon our world as we look into theirs without overstepping the boundary, they must declare it to be a picture in a spherical mirror, and would speak of us just as we speak of them; and if two inhabitants of the different worlds could communicate with one another, neither, as far as I can see, would be able to convince the other that he had the true, the other the distorted, relation. Indeed I cannot see that such a question would have any meaning at all, so long as mechanical considerations are not mixed up with it.” — Hermann von Helmholtz In ‘On the Origin and Significance of Geometrical Axioms,” Popular Scientific Lectures< Second Series (1881), 57-59. In Robert Moritz, Memorabilia Mathematica (1914), 357-358.

  • “Whoever, in the pursuit of science, seeks after immediate practical utility, may generally rest assured that he will seek in vain.” — Hermann von Helmholtz, Edmund Atkinson (trans.), Popular Lectures on Scientific Subjects: First Series (1883), 29

  • « Au départ, l’art du puzzle semble un art bref, un art mince, tout entier contenu dans un maigre enseignement de la Gestalttheorie : l’objet visé — qu’il s’agisse d’un acte perceptif, d’un apprentissage, d’un système physiologique ou, dans le cas qui nous occupe, d’un puzzle en bois — n’est pas une somme d’éléments qu’il faudrait d’abord isoler et analyser, mais un ensemble, c’est à dire une forme, une structure : l’élément ne préexiste pas à l’ensemble, il n’est ni plus immédiat ni plus ancien, ce ne sont pas les éléments qui déterminent l’ensemble, mais l’ensemble qui détermine les éléments : la connaissance du tout et de ses lois, de l’ensemble et de sa structure, ne saurait être déduite de la connaissance séparée des parties qui le composent : cela veut dire qu’on peut regarder une pièce d’un puzzle pendant trois jours et croire tout savoir de sa configuration et de sa couleur sans avoir le moins du monde avancé : seule compte la possibilité de relier cette pièce à d’autres pièces et, en ce sens, il y a quelque chose de commun entre l’art du puzzle et l’art du go ; seules les pièces rassemblées prendront un caractère lisible, prendront un sens : considérée isolément, une pièce d’un puzzle ne veut rien dire ; elle est seulement question impossible, défi opaque ; mais à peine a-t-on réussi, au terme de plusieurs minutes d’essais et d’erreurs, ou en une demi-seconde prodigieusement inspirée, à la connecter à l’une de ses voisines, que la pièce disparaît, cesse d’exister en tant que pièce : l’intense difficulté qui a précédé ce rapprochement, et que le mot puzzle — énigme — désigne si bien en anglais, non seulement n’a plus de raison d’être, mais semble n’en avoir jamais eu, tant elle est devenue évidence : les deux pièces miraculeusement réunies n’en font plus qu’une, à son tour source d’erreur, d’hésitation, de désarroi et d’attente. » (PEREC Georges, La vie mode d’emploi, Éditions Hachette, 1978, pp. 235-236.)

  • “there’s really a trend toward ATLs ( Acronyms of Three Letters).”

  • “In theory there is no difference between theory and practice. In practice there is.” Yogi Berra

  • “Les décorations, c’est comme les bombes, ça tombe toujours sur ceux qui ne les méritent pas” Me Dupond-Moretti

  • “Science is what we understand well enough to explain to a computer. Art is everything else we do.” D. Knuth, foreword to “A=B” (1995)

  • “les cons ça ose tout et c’est même à ça qu’on les reconnaît” (Audiard)

  • “All generalisations are dangerous, including this one.” (Alexandre Dumas)

  • “Il vaut mieux mobiliser son intelligence sur des conneries que mobiliser sa connerie sur des choses intelligentes.” Jacques Rouxel

  • “Nothing in biology makes sense except in the light of evolution”. (Theodosius Dobzhansky, 1900–1975)

  • “Copy from one, it’s plagiarism; copy from two, it’s research.” (Wilson Mizner)

  • “In the past the man has been first, in the future the system must be first.” (F. Taylor)

  • “L’autorité n’admet que deux rôles : le bourreau et la victime, transforme les gens en poupées qui ne connaissent plus que peur et haine, tandis que la culture plonge dans les abysses. L’autorité déforme ses enfants et change leur amour en un combat de coq… L’effondrement de l’autorité aura des répercussions sur le bureau, l’église et l’école. Tout est lié. L’égalité et la liberté ne sont pas des luxes que l’on écarte impunément. Sans ceux-ci, l’ordre ne peut survivre longtemps sans se rapprocher de profondeurs inimaginables.” Alan Moore, V pour Vendetta

  • “In a widely circulated joke [from the days of the first computer], a group of engineers assemble the most powerful computer that had ever been conceived and ask it the ultimate question: Is there a God? After several tense minutes of clicking and clacking and flashing of lights, a card pops out which reads: There is “now”.” (Alwyn Scott in “How Smart is a Neuron?” in A Review of Christof Kochs’ “Biophysics of Computation” )

  • “Que les cons le restent!”

  • Those who can – do. Those who can’t – teach. (H.L. Mencken). Those who cannot teach – administrate. (Martin)

  • Under capitalism, man exploits man. Under communism, it’s just the opposite. (John Kenneth Galbraith)

  • Love is the triumph of imagination over intelligence. (H. L. Mencken)

  • The power of accurate observation is commonly called cynicism by those who have not got it. (George Bernard Shaw)

  • Remember, beneath every cynic there lies a romantic, and probably an injured one. (Glenn Beck)

  • “If we see the light at the end of the tunnel, it’s the light of an oncoming train.” – Robert Lowell

  • “Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius – and a lot of courage – to move in the opposite direction” – Albert Einstein

  • “Je sais ce que je crois. Je continuerais à exprimer ce que je crois, et ce que je crois… je crois que ce que je crois est bien.”- GWB

  • “Soudain, je ne sais comment, le cas fut subit, je n’eus loisir de le considérer, Panurge, sans autre chose dire, jette en pleine mer son mouton criant et bêlant. Tous les autres moutons, criant et bêlant en pareille intonation, commencèrent à se jeter et à sauter en mer après, à la file. La foule était à qui le premier y sauterait après leur compagnon. Il n’était pas possible de les en empêcher, comme vous savez du mouton le naturel, toujours suivre le premier, quelque part qu’il aille.” Rabelais

  • “Personne ne peut dire dans quel but l’homme a été amené en ce monde, ni quelle sera la destinée de l’espèce. Cependant, il y a de grands esprits qui ne vivent pas pour leur bien-être présent mais en vue d’une fin impersonnelle, comme un coureur qui s’épuiserait dans une course de relais, pour un trophée qu’il ignore et qu’un autre remportera.” Charles Morgan, Essai sur l’unité de l’esprit.

  • “Science sans conscience n’est que ruine de l’âme.” (Rabelais, 1532)

  • “Linux is only free if your time has no value.” (Jamie Zawinski)

  • Napoléon : Monsieur de Laplace, je ne trouve pas dans votre système mention de Dieu ? Laplace : Sire, je n’ai pas eu besoin de cette hypothèse. (d’autres savants ayant déploré que Laplace fasse l’économie d’une hypothèse qui avait justement “le mérite d’expliquer tout”, Laplace répondit cette fois-ci à l’Empereur : Laplace : Cette hypothèse, Sire, explique en effet tout, mais ne permet de prédire rien. En tant que savant, je me dois de vous fournir des travaux permettant des prédictions “

  • “The supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience” often paraphrased as “Theories should be as simple as possible, but no simpler.” Albert Einstein (1933)

  • “The surest sign of the existence of extra- terrestrial intelligence is that they never bothered to come down here and visit us!” Calvin

  • «Si tu manges le fruit d’un grand arbre, n’oublie jamais de remercier le vent!» “tradition orale bambara au Mali”

  • “Lorsque vous avez éliminé l’impossible, ce qui reste, si improbable soit-il, est nécessairement la vérité.” - Arthur Conan Doyle - “Le signe des Quatre”

  • “I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth.” – Umberto Eco

  • Nos idées doivent être aussi vastes que la nature pour pouvoir en rendre compte.” Arthur Conan Doyle

  • “Tout le monde savait que ce truc là était impossible a faire. Jusqu’au jour ou est arrivé quelqu’un qui ne le savait pas, et qui l’a fait.” Winston Churchill

  • “Ce proverbe, je l’ai sur le bout de la… ” – Manu (2006-01-23T19:34:16Z)

  • “When you can measure what you are speaking about and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of the meager and unsatisfactory kind.” “Lord Kelvin”

  • I know you believe you understand what you think I said, but I am not sure you realize that what you heard is not what I meant. “Richard Nixon”

  • Try to understand everything, but believe nothing! “Unknown”

  • George Walker Bush a propos de ses démentis sur la cocaïne, répond « I haven’t denied anything. »

  • Bayes maxim : “condition the joint probability on what we know and marginalize on what we don’t care” John Coughlan (in prob. models / kersten)

  • Monty Python’s “Life of Brian”: {{{(Brian)-“You are all individuals!” (crowd)-“We are all individuals!”(Brian)-“You have to be different!” (crowd)-“Yes, we are all different!” (loner)-“I’m not.”}}}

  • Monty Python’s “Life of Brian”: (Brian:) “You have to work it out for yourselves!” (Crowd:) “Yes, we have to work it out for ourselves… (silence) Tell us more!”

  • “Combien d’autres corps célestes, outre ces comètes, se meuvent en secret sans jamais se montrer aux yeux des hommes. Dieu n’a pas fait toutes les choses pour l’homme.” Sénéque

  • Hawking’s principle for popularizations : “each math symbol reduces the potential readership by a factor r = 12

  • Les ordinateurs sont trop fiables pour remplacer rellement les humains.

  • Prediction is very difficult, especially about the future. Niels Bohr

  • On peut vous le faire :

    • bien
    • vite
    • pour peu cher Ne choisissez pas plus de deux options.
  • s. v..s p..v.z c.mpr.ndr. c.l. v..s p..v.z .tr. d.v.l.ppé

  • Intelligence artificielle : art de programmer les ordinateurs de sorte qu’ils se comportent comme ils le font dans les films.

  • hypoaristerolactothérapie : méthode de dépannage des machines par le coup de pied en bas à gauche.

  • Le peu que je sais , c’est à mon ignorance que je le dois .GUITRY , Sacha

  • TOULET , Paul-Jean “Apprends àte connaître : tu t’aimeras moins . Et à connaître les autres , tu ne les aimeras plus.

  • Occam’s razor : “Accept the simplest explanation that fits the data.”

  • “On two occasions, I have been asked [by members of Parliament], ‘Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?’ I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question.“– Charles Babbage (1791-1871)

  • “Reality is that which, when you stop believing in it, doesn’t go away”. Philip K. Dick

  • “Puisque ce désordre nous échappe, feignons d’en être l’organisateur. ” Cocteau

  • Non seulement la solution n’existe pas, mais en plus elle n’est pas unique.

  • Detection is, or ought to be, an exact science, and should be treated in the same cold and unemotional manner. You have attempted to tinge it with romanticism, which produces much the same effect as if you worked a love-story or an elopement into the fifth proposition of Euclid. – SHERLOCK HOLMES “Sign of The Four”, Chapter 1 * “ Act without doing; work without effort. Think of the small as large and the few as many. Confront the difficult while it is still easy; accomplish the great task by a series of small acts. “ Lao-Tze

  • “Les mathématiques ne sont pas une moindre immensité que la mer” V. Hugo

  • “Le hasard n’est que la mesure de notre ignorance” Henri Poincaré, La science et l’hypothèse

  • “Je répugne toute religion qui ne se voit philosophe” Lolo Tseu

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Laurent U Perrinet
Researcher in Computational Neuroscience

My research interests include Machine Learning and computational neuroscience applied to Vision.