Bird of a feather flock together.

　　物以类聚。

　　A friend in need a friend indeed.

　　患难见真交。

　　One man's meat is another men’s poison.

　　利于甲者未必利于乙。

　　An hour in the morning is worth two in the evening.

　　一日之计在于晨。

　　One today is worth to tomorrow.

　　今日事今日毕。/说干就干。

    One is never too old to learn.

　　活到老，学到老。

　　To postpone is not to abandon.

　　拖延不等于放弃。

　　Nature abhors a vacuum.

　　自然界万物兴隆。

　　Health is above wealth.

　　健康胜于财富。

    You should always act towards others as you would wish them to act towards you.

　　已之所欲，施之于人。

　　Rome was not built in a day.

　　伟业非一日可成。

　　Every advantage has its disadvantage.

　　有利必有弊。

　　A friend is best found in adversity.

　　患难识真友。