Mathematics is the language in which the universe writes its deepest secrets.
The talent for being happy is appreciating and liking what you have, instead of what you don't have.
欣赏和喜欢你拥有的东西，而不是你没有的东西，你才能快乐。
意志不是一种特殊的能力，而是心灵的一般功能。
No man should judge unless he asks himself in absolute honesty whether in a similar situation he might not have done the same.
