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.
The best way to learn mathematics is to do mathematics.
魔法，像其他任何力量一样，不会腐化。它只是揭示。
伟大不是环境的结果。事实证明，伟大在很大程度上是一种有意识的选择。
The Internet is the most revolutionary thing I’ve seen in my entire life.
Music is my life and also my death.