Engineering culture is about pursuing perfection, but also accepting imperfection.

The big money is not in the buying and the selling，but in the waiting.

教育是老年人的最佳粮食。

首要且最伟大的胜利是战胜自我；被自我征服则是最可耻、最卑劣之事。

没有矛盾的人生不值得书写。