Table of Contents


  • Practice makes perfect.
  • “In theory, there is no difference between theory and practice. In practice, there is.” Yogi Berra
  • Je omringen met goede mensen maakt jou ook beter, Stanley burleson
  • That is probably the most important thing I’ve learned in almost 30 years in IT: there is no single “best” way, there is no single ‘best’ approach for every problem. Tom Kyte - Time-out and Thanks
  • Pay no attention to the man behind the curtain! L. Frank Baum, The Wonderful Wizard of Oz
  • He who opens a school door, closes a prison. - Victor Hugo
  • Het is leuk om dingen niet te kunnen, want dan kun je iets nieuws leren. Omdenken
  • Succes is soms het resultaat van een hele reeks mislukkingen. (Vincent van Gogh)
  • I disapprove of what you say but I will defend to the death your right to say it. Evelyn Beatrice Hall (for Voltaire)
  • “You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.” @debbiemillman
  • “Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.” Sir Terry Pratchett
  • I've failed over and over again in my life and that is why I succeed. Michael Jordan
  • “Despite everything, I believe that people are really good at heart.” Anne Frank 12 June 1929 – early March 1945.
  • The user is always right, you just need to agree on the formulation
  • A small improvement multiplied by a large amount can make a difference Richard Foote …
  • What say developers / users ? (Tom Kyte)
    1. Developers : it works, but it's slow
    2. Users : it does not work, because it's slow
  • Bewondering moet ook een rol hebben gespeeld. Hij behaalde geen meerderheid, maar hij kreeg wel iedereen mee. Hans Keilson.
  • “One of the best ways to learn is by helping others,” says Alvarez.
  • “When someone has a problem on an OTN [Oracle Technology Network] forum, I enjoy trying to assist them with it. I've learned a lot by trying to help other Oracle users to solve their problems.” From Congrats to the Oracle ACE Director of the Year…
  • It is NEVER about application consolidation, it is ALWAYS about business process simplication. Andy Kyte
  • Dromen brengen werk met zich mee. Paolo Coehlo (By the River Piedra I Sat Down and Wept: A Novel of Forgiveness)
  • If you give a manager a numerical target, he'll make it even if he has to destroy the company in the process. Deming
  • A bad system will defeat a good person every time. Deming
  • For the past 40 years, for example, we’ve tortured ourselves over our inability to finish a software project on time and on budget. But as I hinted earlier, this never should have been the supreme goal. The more important goal is transformation, creating software that changes the world or that transforms a company or how it does business. Tom DeMarco - An Idea Whose Time Has Come and Gone?
  • Software development is and always will be somewhat experimental. The actual software construction isn’t necessarily experimental, but its conception is. And this is where our focus ought to be. It’s where our focus always ought to have been. Tom DeMarco - An Idea Whose Time Has Come and Gone?
  • Even under the best programs, users will forget 70 percent of what they’ve learned within two weeks and 87 percent within one month. Oracle User Productivity Kit
  • “What is measured improves” Peter F. Ducker.
  • Albert Einstein said: “Not everything that counts can be counted. And not everything that can be counted counts.”
  • Ik schrijf dus ik besta
  • “L'incertitude est une bonne pratique de la vie”, souffle Rodolphe Belmer.
  • The introduction of a tool can be yet another source of problems in that ongoing crises we call development. Ant Documentation
  • Le droit et la physique ont ceci en commun que les lois perdent leur sens face à l’infiniment petit et l’infiniment grand. Maitre Eolas
  • De toekomst is en fantasie die ons heden richting geeft
  • optimization = doing a less expensive thing or doing expensive things less often. don't bother me with trifles–there will be blood tonight. ‏@KentBeck
  • “The program itself is the only complete description of what the program will do.” – P. J. Davis
  • CompSciFact: “A lot of times people don't know what they want until you show it to them.” – Steve Jobs
  • Our existing education system is oriented towards material development; neglecting inner values. Consequently we lack a clear awareness of the inner values that are the basis of a happy life – DalaiLama
  • “may all your problems be technical ones” (ie not political one) – old programmer’s blessing
  • Does not matter how smart you are, if a guess cannot be backed up by experimental evidence, it is just a guess - Richard Feynman Martin Thompson
  • You are going to learn a lot more by doing it than you will by analyzing it. PayPal’s CTO James Barrese
  • In order to exercise creativity, freedom of thought is essential Dalai Lama
  • “An error doesn't become a mistake until you refuse to correct it” - Orlando A. Battista
  • Beaumarchais : “Je me presse de rire de tout de peur d'être obligé d'en pleurer” (…) ”
  • A lot of programming problems get solved while you sleep. Joe Armstrong
  • “When explaining a command, or language feature, or hardware widget, first describe the problem it is designed to solve” - David Martin
  • Make It Work Make It Right Make It Fast Kent Beck. “First do it, then do it right, then do it fast”
  • “Choose a job you love, and you will never have to work a day in your life” - Confucius
  • Friday afternoon. having trouble focusing. didn't get enough done this week. best move? GO HOME. the world revolution will wait until monday Kent Beck
  • Il y a 3 formes de mensonge : le mensonge par action, le mensonge par omission et la statistique Maitre Eolas
  • “It's easier to invent the future than try to predict it” - President Hennessy
  • L'informatique actuelle, c'est un peu l'art de tout connaître, mais de ne rien savoir. Gulien
  • The best answer on why WE need to work more AT HOME: Hans Rosling - Facts about population
  • It is easier to find things you hate about your job than things you love about your job, even if you like your job. Kent Beck
  • Code is more expensive to maintain than to write.
  • “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
  • “The greatest value of a picture is when it forces us to notice what we never expected to see”. John Tukey, 1977
  • Une idée simple mais fausse aura toujpurs plus de poids dans le monde qu'une idée vraie mais complexe. De la démocratie en Amérique - Alexis De Tocqueville
  • It’s much more pleasant to work with people who focus on “how can we (big picture)” than those who focus on “why we can’t (small picture). Greg Rahn
  • “Be approximately right rather than exactly wrong.” John W. Tukey
  • Vecht voor je dromen en je dromen zullen voor jou vechten. #PauloCoelho
  • Ignorant people are more likely to believe they are brilliant, while intelligent people are more likely to underestimate their abilities. UberFacts
  • Science works on the frontier between knowledge and ignorance. We’re not afraid to admit what we don’t know – there’s no shame in that. The only shame is to pretend that we have all the answers. Neil deGrasse Tyson
  • It always seems impossible until it's done. Nelson Mandela
  • I'm a oompa-loompas, I'm always laughing. I think everything's a colossal joke. Charlie and the chocolate factory (Page 107 chapter 18 down the chocolate river)
  • wheel reinvention helps you understand the shape of the solution space. Keep it to a fixed, small budget, though. Kent Beck
  • “If you can't write it down in English, you can't code it.” – Peter Halpern
  • 'Statisticians, like artists, have the bad habit of falling in love with their models.' – George Box
  • “The data tell what happens, not why it happens” Dao Nguyen
  • I have not failed. I've just found 10,000 ways that won't work. Thomas Edison
  • Oxygen is required for combustion and hydrogen is flammable gas, but together they make water… Which puts fire out.
  • What consumes your mind, controls your life. thereaIbanksy
  • In three words I can sum up everything I've learned about life. It goes on. Robert Frost.
  • I freed a thousand slaves. I could have freed a thousand more if only they knew they were salves. Harriet Tubman
  • “I have a lot of persistence. Persistence is the key to my life. You fall down, you get back up, and you go again. I don’t give up. That’s been the motto of my life in business and science. I’ve never been really good at anything, I just stay with it.” Lew Hollander
  • When coding, know what problem you're solving. When measuring, know what decision you're supporting. Jessica Kerr
  • We all have two lives. The second one starts when we realize that we only have one. (Tom Hiddleston)
  • Innovation happens at interstices as we borrow and extend the ideas of our neighbors. The Language of Food by Dan Jurafsky
A bed but not sleep
Computer but not brain
Food but not appetite
Finery but not beauty
A house but not a home
Medicine but not health
Luxuries but not culture
Amusements but not happiness
Acquaintance but not friends
Obedience but not faithfulness
Sex but not love

  • We zien de dingen niet zoals zij zijn; we zien ze zoals wij zijn. (Anaïs Nin)
  • Preacher told me if I didn't get religion I'd burn in Hell. Told him there were so many engenier and math down there they had air conditioning. @mathematicsprof
  • You can't change how people treat you or what they say about you all you can do is change how you react to it. Gandhi
  • If there are no ups and downs in your life it means you are dead. Bansky Image
  • Great things never came from comfort zones. Bansky
  • An expert is not someone that gives you the answer, it is someone that asks you the right question. Eli Goldratt
  • banksy The happiest people don't have the best of everything, they just make the best of everything.
  • banksy Have you ever wondered which hurts the most: saying something and wishing you had not, or saying nothing, and wishing you had. - unknown
  • banksy TAKE RISKS. If you win, you will be happy. If you lose, you will be wise.
  • Life is like riding a bicycle, to stay balanced you must keep moving.“ - Albert Einstein
  • Rule #1: never expect anything from anybody. banksy
  • You have to be odd to be number one. Dr Seuss
  • If it doesn't matter, get rid of it. If you can't get rid of it, it matters. thereaIbanksy
  • You have enemies? Good. That means you've stood up for something, sometime in your life. Winston Churchill
  • We are all addicted to something that takes the pain away. banksy
  • You learn more as soon as you give up your adversarial relationship with being wrong. maddie (@moscaddie


Quand on écrit #JeSuisCharlie ce n'est pas à prendre au premier degré

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