新材料的发现是偶然与准备的相遇。

Management is an art that requires continuous learning and practice.

It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.

你永远无法取悦所有人，所以不如做你自己。

当你的工作对人们的生活产生积极影响时，真正的成功就来了。