Where there is a will, there is a way.

有志者，事竟成。

Nothing is too difficult, if you put your heart into it.

世上无难事，只怕有心人。

As every thread of gold is valuable, so every moment of time.

一寸光阴一寸金。

All things in their being are good for something.

天生我才必有用。

There is nothing permanent except change.

唯有变化才是永恒的。

A crooked stick will have a crooked shadow.

身不正，影必斜。

Wisdom is to the mind what health is to the body.

知识之于心灵正如健康之于身体。

A word once spoken cannot be taken back even by a team of four horses.

一言既出，驷马难追。

Very often a change of self is needed more than a change of scene.

改变自己往往比改变环境更为需要。

A man is not old as long as he is seeking something. A man is not old until regrets take the place of dreams.

只要一个人还有所追求，他就没有老。直到后悔取代了梦想，一个人才算老。

Better an egg today than a hen tomorrow.

今日一只蛋，胜过明天一只鸡。

There is no friend so faithful as a good book.

最忠实的朋友莫过于一本好书。

Brevity is the soul of wit.

言贵简。

Deliberate slowly, execute promptly.

谋虑要慢，行动要快。

Friendship cannot stand always on one side.

友谊是双方的事。

One tree does not make a forest.

独木不成林。

Barking dogs don't bite.

吠狗不咬人。

What is done by night appears by day.

若要人不知，除非已莫为。

It's never too late to mend.

改过不嫌晚。

Man proposes, God disposes.

谋事在人，成事在天。

Running water does not get stale; a door-hinge is never worm-eaten.

流水不腐，户枢不蠹。

Sweep before your own door.

正人先正已。

A hero is nothing but a product of his time.

时势造英雄。

It is better to trust to valour than to luck.

靠运气不如靠勇气。

Ignorance is the mother of impudence.

无知是鲁莽之源。

One careless move may lose the whole game.

一步不慎，满盘皆输。