Too much spoils, too little is nothing. 過多反壞事,太少不及時。
Too much water drowned the miller. 過猶不及。
Too swift arrives as tardy as too slow. 欲速則不達。
To pay a person in his own way. 以其人之道還治其人之身。
To preserve a friend three things are required: to honour him present, praise him absent, and assist him in his necessities. 維持友誼需要三點∶當面尊重他,背後贊揚他,需要時幫助他。