The only way to have a friend is to be one.
Engineers are the ones who create the future. They’re the people who change the world.
未来属于那些今天做好准备的人。
每一种化学结合完全且仅仅依赖于两种对立的力量,即正电和负电。
The true writer is one who writes because he has something to say, not because he wants to say something.