Even if it is not said by a celebrity, it must be a famous sentence that is widely circulated.

But it may not have profound educational significance. For example, "many children are bitter, but salt is bitter."

Motto: Take instructive words as the criterion.

It has profound educational and warning functions. For example, "The value of life is not measured by time, but by depth-lev tolstoy".

Sometimes it is difficult to distinguish the two. Most famous sayings are also famous sayings, and many well-known proverbs are also famous sayings.

But if we have to distinguish, first, proverbs must contain educational significance, and famous sayings may not (but in fact, famous sayings have certain educational significance and can be regarded as proverbs); Secondly, some proverbs are not widely known and famous, such as "Don't think about building a sea, start from a small river".