Keep conscience clear,then never fear. 问心无愧，永无畏惧。
Who pleasure gives,shall joy receive. 予人以快乐者，自己会获得快乐。
Accidents will happen. 天有不测风云。
A clean hand wants no washing. 身正不怕影子斜。
A contented mind is perpetual feast. 知足常乐。
Give him an inch and he will take an ell（a yard）. 得寸进尺。
Great minds think alike.英雄所见略同。
It is no good crying over the spilt milk. 覆水难收。
Never do things by halves.做事不要半途而废。
No one is wise at all time. 智者千虑，必有一失。
Out of sight, out of mind.眼不见，心不烦。
There is no smoke without fire. 无风不起浪。
Walls have ears.隔墙有耳。
After a storm comes a calm·否极泰来；雨过天晴.
The mills or God grind slowly·天网恢恢,疏而不漏.
Go through fire and water 赴汤蹈火