If you spend too much time thinking about a thing, you’ll never get it done.

The laws of physics are the same everywhere in the universe, and that is a profound truth.

我们知道得越多，理解得越少。

Democracy is the worst form of government except for all those other forms that have been tried from time to time.

艺术应该超越国界，成为人类共同的语言。

世界就在她的阅读之中。

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.