嫉妒是一种非常愚蠢的罪恶，因为它是唯一一种你永远不可能有任何乐趣的罪恶。它带来了很多痛苦，没有任何乐趣。你为什么要上那辆电车呢？

The most profound ideas in mathematics often arise from the simplest observations.

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.

Innovation is not just about technology, it's about solving real problems.

预测未来的最好方法就是创造未来。

唯一真正的智慧在于知道你一无所知。