语言是一种自由创造的过程；其法则和原则是固定的，但生成原则的使用方式是自由且无限多样的。

学习数学的最好方法就是做数学。

Before becoming oneself, one must break the old molds.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

文学的力量在于它能够揭示人性的深处。

音乐不仅仅是一段美妙的旋律，它是人类灵魂最深刻的表达。

简单可以是最强大的东西。