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.
In mathematics, you don't understand things. You just get used to them.
我在哪里，我不知道，我永远不会知道，在沉默中你不知道，你必须继续，我不能继续，我会继续。
The past is never dead. It's not even past.
The best way to predict the future is to create it.
Happiness， like unhappiness， is a proactive choice.