生活要快乐，但绝不要安于现状。
定义属于下定义的人，而不属于被定义的人。
What we do today will determine the climate for centuries to come.
创新不是单一事件，而是一个过程。
The most profound ideas in mathematics often come from asking the simplest questions.
No man should judge unless he asks himself in absolute honesty whether in a similar situation he might not have done the same.
"The quantum world is not just a smaller version of the classical world; it operates under entirely different rules."