True innovation comes from listening to your customers and having the courage to act on what you hear.

做得越多，学得越多；学得越多，能做的就越多。

一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。

Those who are willing to give up freedom for security will eventually lose both.

作家是所有独裁的敌人，无论是左翼还是右翼。