如果你没有至少90%的时间失败，那么你的目标还不够高。
If you don't fail at least 90 percent of the time, you're not aiming high enough.
The best way to be happy is to live in the moment.
The beauty of mathematics only shows itself to more patient followers.
The silliest woman can manage a clever man; but it needs a very clever woman to manage a fool.
You can say so much with pictures that you don't need to say in words.
La poesía es la única prueba concreta de la existencia del hombre.