Martin Caetano > Martin's Quotes

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  • #1
    Walter Isaacson
    “Those who are in love with practice without theoretical knowledge are like the sailor who goes onto a ship without rudder or compass and who never can be certain whither he is going,” he wrote in 1510. “Practice must always be founded on sound theory.”11”
    Walter Isaacson, Leonardo da Vinci

  • #2
    Leo Tolstoy
    “Now she understood that Anna could not have been in lilac, and that her charm was just that she always stood out against her attire, that her dress could never be noticeable on her. And her black dress, with its sumptuous lace, was not noticeable on her; it was only the frame, and all that was seen was she—simple, natural, elegant, and at the same time gay and eager.”
    Leo Tolstoy, Anna Karenina

  • #3
    Leo Tolstoy
    “A waltz, Anna Arkadyevna?" "I don't dance when it's possible not to dance," she said.”
    Leo Tolstoy, Anna Karenina

  • #4
    Robert M. Pirsig
    “You are never dedicated to something you have complete confidence in. No one is fanatically shouting that the sun is going to rise tomorrow. They know it’s going to rise tomorrow. When people are fanatically dedicated to political or religious faiths or any other kinds of dogmas or goals, it’s always because these dogmas or goals are in doubt.”
    Robert M. Pirsig, Zen and the Art of Motorcycle Maintenance

  • #5
    Robert M. Pirsig
    “Peace of mind isn’t at all superficial, really,” I expound. “It’s the whole thing. That which produces it is good maintenance; that which disturbs it is poor maintenance. What we call workability of the machine is just an objectification of this peace of mind. The ultimate test’s always your own serenity. If you don’t have this when you start and maintain it while you’re working you’re likely to build your personal problems right into the machine itself.”
    Robert M. Pirsig, Zen and the Art of Motorcycle Maintenance

  • #6
    “Cosgrove has perceptively pointed out that the programmer delivers satisfaction of a user need rather than any tangible product. And both the actual need and the user's perception of that need will change as programs are built, tested, and used.[3]”
    Frederick P. Brooks Jr., The Mythical Man-Month: Essays on Software Engineering

  • #7
    “And so from a statistical mechanical model, Belady and Lehman arrive for programming-systems at a more general conclusion supported by the experience of all the earth. "Things are always at their best in the beginning," said Pascal.”
    Frederick P. Brooks Jr., The Mythical Man-Month: Essays on Software Engineering

  • #8
    “Broken DNA causes genome instability, I wrote, which distracts the Sir2 protein, which changes the epigenome, causing the cells to lose their identity and become sterile while they fixed the damage. Those were the analog scratches on the digital DVDs. Epigenetic changes cause aging.”
    David Sinclair, Lifespan: Why We Age—and Why We Don't Have To

  • #9
    “Sirtuins instruct the histone spooling proteins to bind up DNA tightly, while they leave other regions to flail around. In this way, some genes stay silent, while others can be accessed by DNA-binding transcription factors that turn genes on.12 Accessible genes are said to be in “euchromatin,” while silent genes are in “heterochromatin.” By removing chemical tags on histones, sirtuins help prevent transcription factors from binding to genes, converting euchromatin into heterochromatin.”
    David Sinclair, Lifespan: Why We Age—and Why We Don't Have To



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