无论生活多么困难，总有一些事情你可以做并且成功。
每一个实验都会破坏通过先前实验获得的关于系统的某些知识。
Every building should be a response to its environment.
He who is content is always happy; endless desires never find satisfaction.
数学中最深刻的见解往往来自最抽象的理论。