Translation of "Proverb" in Chinese

- What's your favorite proverb?
- What is your favorite proverb?

你最喜欢的谚语是什么？

In Wales we have a proverb.

在威爾斯，我們有一個句諺語。

"A rolling stone gathers no moss" is a proverb.

“滚石不生苔”是一句谚语。

This is a proverb the meaning of which I do not understand.

这是一句我不知道什么意思的谚语。

There is a proverb that goes "time is money", but there is another one that goes "money can't buy you time".

俗話說：一寸光陰一寸金；可俗話又說：寸金難買寸光陰！