Persistence is very important.You should not give up unless you are forced to give up.
堅持很重要， 永遠(yuǎn)不要放棄，除非不得已。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
The more you know yourself, the more you realize how powerful you are.
與其后來替一個人婉惜，不如先嘲笑他算了。
I don't think you can ever do your best. Doing your best is a process of trying to do your best.