Quote by Billy Madison

You wanna know something? You suck!

— Billy Madison

You know what? Fuck you! How about that?

— Tony Montana

Ya know what.? FUCK YOU.!

— Me

Demand me nothing: what you know, you know.

— William Shakespeare

You're a jerk! (I know)

— New Boyz

I know that I know nothing.

— Socrates

I know one thing, that I know nothing.

— Socrates

I know nothing and perhaps I never will,

— George R. R. Martin

You don't know a thing about me

— Kelly Clarkson

There's something you don't know.

— You Me At Six

You see what you know!

— Frank Stella

To know one thing, you must know the opposite.

— Henry Moore