恩泽中可能潜藏祸患,所以得意时要能尽早回头;失败后反而能够成功,因此失意时千万不要气馁。
A scientist’s greatest tool is an open mind.
在危机时刻,真正的领导力才会显现。
The world is before you and you need not take it or leave it as it was when you came in.
数学不是一项观赏性运动。