Who said "Working hard is overrated. Try working smart instead."?

This quote is attributed to Kelso.

Working hard is overrated. Try working smart instead. - Kelso

"Working hard is overrated. Try working smart instead."

Kelso Work

"I'm not stupid, I'm just not thinking."

"That's what I love about these high school girls, man. I get older, they stay the same age."

"I'm a sexy beast."

"My brain is on fire."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."