The deepest theorems in mathematics often have the simplest statements.
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
为了成功，你必须愿意失败。
"Only the very weak-minded refuse to be influenced by literature and poetry."
让世界改变你，然后你就能改变世界。
"History is not the past. It is the present. We carry our history with us. We are our history."