Who said "Sometimes you gotta do things that scare you."?

This quote is attributed to Kelso.

Sometimes you gotta do things that scare you. - Kelso

"Sometimes you gotta do things that scare you."

Kelso Courage

"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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."