The first step is as good as half over.

第一步是最关键的一步。

You never know your luck.

命运好坏不由己。

Sow nothing, reap nothing.

春不播，秋不收。

The wealth of the mind is the only wealth.

精神的财富是唯一的财富。

You cant judge a tree by its bark.

人不可貌相。

Clothes do not make the man.

人不在衣装。

To be both a speaker of words and a doer of deeds.

既当演说家，又做实干家。

Variety is the spice of life.

变化是生活的调味品。

Bad times make a good man.

艰难困苦出能人。

There is no royal road to learning.

求知无坦途。

Doubt is the key to knowledge.

怀疑是知识的钥匙。