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The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

Mathematical intuition often guides the development of algorithms, but it is the rigorous proof that ensures their correctness and efficiency.

"Every experiment, no matter how small, is a step towards a greater understanding."

除原子和虛空之外，一切皆為見解。