Who said "The best investment is in yourself."?

This quote is attributed to Joey Tribbiani.

The best investment is in yourself. - Joey Tribbiani

"The best investment is in yourself."

Joey Tribbiani Education

"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?"

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."