There is a well-known saying.

有一句众所周知的名言。

youdao

That's a well-known saying that reminds us of the importance of guarding our thoughts.

这是一个众所周知的话说，提醒我们必须保卫我们的想法。

youdao

"All roads in the world lead to Waseda." This is a well-known saying in Waseda University.

“世界的道路通向早稻田”，这是早稻田大学的一句名言。

youdao

A proverb is a short,well-known saying that expresses a common truth or belief.

VOA: special.2009.08.30

The family go to see him perform the Shakespeare play "Macbeth, " but bring him bad luck by saying the play's name aloud -- in defiance of a well-known theatrical superstition.

CNN: Rowling

His woes might be compounded by a former junior minister, Ian Taylor, well-known for his enthusiasm for Europe and distaste for Mr Hague's policy saying that highlighting "save the pound" was "folly".

BBC: Hague defensive on euro