好奇心驱动科学，但道德必须引导它。
做你自己，你就能成为任何你想成为的人。
真相很少是纯粹的，也从来不是简单的。
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.
A good illustration doesn’t just decorate the text—it expands it.
Every decision we make today shapes the legacy we leave for tomorrow.