如果你想成为最好的，就永远不能停止努力。

一个命题的证明是一种性质使得我们相信该命题的过程。

创新不仅仅是创造新事物；它关乎改进已有的事物。

Coal will remain part of the energy mix, but it must be cleaner and more responsible.

The battle of life is already half won by the young man who is brought personally in contact with high officials; and the great aim of every boy should be to do something beyond the sphere of his duties--something which attracts the attention of those who over him.

记忆是一件棘手的事情；它既可以是祝福也可以是诅咒。