A clear conscience is a sure card. ?
光明磊落，勝券在握。
By other's faults, wise men correct their own. ?
他山之石，可以攻玉。 ?
Complacency is the root of loss,and modesty is the cause of gain.
滿招損，謙受益。
Do as you would be done by．
己所不欲，勿施於人。
Faith will move mountains. 精誠所至，金石為開。