It would depend on which person you are referring to. Can you please provide more context or specify who you are asking about?
the famous saying is "SO WHAT"
Little Caesars is known for the famous saying "Pizza, Pizza".
Maxwell was famous for saying Light is a form of Electricity.
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His most famous quote is probably "to be or not to be"
a lot of people are saying that Denise Jonas Jonas brothers mom was famous. a lot of people are saying that Denise Jonas Jonas brothers mom was famous.
"Shazam!" .
Bah....humbug
she was famous for saying no
You might address a famous singer by saying "Mr. Smith." You could also address a famous singer by simply saying hello and addressing the person by his or her full name.
According to a famous saying, one can never have too much of a good thing.
"It's a trap!"