Success is not final, failure is not fatal: it is the courage to continue that counts.

What is necessary to change a person is to change his awareness of himself.

我疯了，我疯了。这就是我的思维方式。

即使只有一毫粗疏的地方，就不能准确地认识事理，所以说一定要精确。不然，众说纷纭必会产生疑惑；仅存在一丁点杂念，便不能坚守事理，故而必须专心，否则在利害面前必定会经不起考验。

I like talking to a brick wall, it’s the only thing in the world that never contradicts me.