A rolling stone gathers no moss.

滚石不生苔，转业不聚财。
As a man sows, so he shall reap.
种瓜得瓜，种豆得豆。
A single flower does not make a spring.
一花独放不是春，百花齐放春满园。
A snow year, a rich year.
瑞雪兆丰年。
A sound mind in a sound body.
健全的精神寓于健康的身体。
A still tongue makes a wise head.
寡言者智。
A stitch in time saves nine.
小洞不补，大洞吃苦。
A straight foot is not afraid of a crooked shoe.
身正不怕影子斜。
A wise head makes a close mouth.
真人不露相，露相非真人。
A word spoken is past recalling.
一言既出，驷马难追。
A year's plan starts with spring.
一年之计在于春。
A young idler, an old beggar.
少壮不努力，老大徒伤悲。
Bad news has wings.
好事不出门，坏事传千里。
Barking dogs seldom bite.
吠犬不咬人。
Beauty lies in the love's eyes.
情人眼里出西施。
Be swift to hear, slow to speak.
听宜敏捷，言宜缓行。
Better late than never.
不怕慢，单怕站。
Better to ask the way than go astray.
问路总比迷路好。
Between friends all is common.
朋友之间不分彼此。
Birds of a feather flock together.
物以类聚，人以群分。
Blood is thicker than water.
血浓于水。
Blood will have blood.
血债血偿。
Books and friends should be few but good.
读书如交友，应求少而精。
Business is business.
公事公办。
Business is the salt of life.
事业是人生的第一需要。
By reading we enrich the mind, by conversation we polish it.
读书使人充实，交谈使人精明。
Cannot see the wood for the trees.
一叶障目，不见泰山。
Care and diligence bring luck.
谨慎和勤奋才能抓住机遇。
A merry heart goes all the way.
心旷神怡，事事顺利。
A miss is as good as a mile.
失之毫厘，差之千里。
A mother's love never changes.
母爱永恒。
An apple a day keeps the doctor away.
一天一苹果，不用请医生。
A new broom sweeps clean.
新官上任三把火。
An eye for an eye and a tooth for a tooth.
以眼还眼，以牙还牙。
An hour in the morning is worth two in the evening.
一日之计在于晨。
An old dog cannot learn new tricks.
老狗学不出新把戏。
An ounce of luck is better than a pound of wisdom.
聪明才智，不如运气。
An ounce of prevention is worth a pound of cure.
预防为主，治疗为辅。