The land never lies, it repays what you put in.

一个好的数学家是懒惰的，但要以建设性的方式。

A child educated only at school is an uneducated child.

I'm not a teacher, I'm a student.

The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

已婚者的快乐来自那些他没有娶的人。