Every life is in many days, day after day. We walk through ourselves, meeting robbers, ghosts, giants, old men, young men, wives, widows, brothers-in-love, but always meeting ourselves.

道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。

You can't stop the waves, but you can learn to surf.

写作是探索我们内心未知的一种方式。

The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.

数学研究是一场没有终点的旅程。