Jefferson said something like that when arguing to rewrite the constitution:

https://founders.archives.gov/documents/Madison/01-12-02-0248

https://oll.libertyfund.org/quotes/thomas-jefferson-on-whether-the-american-constitution-is-binding-on-those-who-were-not-born-at-the-time-it-was-signed-and-agreed-to-1789

…but that was probably written from France when feeling all bohemian on his trip with his child sex slave.

Source?

I’m going to have to just guess what you mean, because you didn’t take the two seconds to quote what you were asking about…

https://www.truthorfiction.com/did-thomas-jefferson-say-americans-should-rewrite-the-constitution-to-account-for-modern-society/

But you could have also justed looked that up yourself instead of waiting too.