俗话说得好花式表达

There goes a saying that....

俗话说得好，...

As a saying goes，...

就像俗话说的，...

As a proverb says,...

正如一句谚语所言，...

Don't worry. As a proverb says, he laughs best who laughs last.

别担心。正如一句谚语所言，谁笑到最后，谁笑得最好。