Who said "The key to being cool is not caring what people think."?

This quote is attributed to Joey Tribbiani.

The key to being cool is not caring what people think. - Joey Tribbiani

"The key to being cool is not caring what people think."

Joey Tribbiani Humor

"How you doin'?"

"It's not a lie if you believe it."

"I'm not great at the advice. Can I interest you in a sarcastic comment?"

"Could I BE any more of a mess?"

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."