Who said "Science is pretty cool, I guess. Especially when it works."?

This quote is attributed to Kelso.

Science is pretty cool, I guess. Especially when it works. - Kelso

"Science is pretty cool, I guess. Especially when it works."

Kelso Science

"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."

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"