Who said "That's actually pretty cool when you think about it."?

This quote is attributed to Kyle Broflovski.

That's actually pretty cool when you think about it. - Kyle Broflovski

"That's actually pretty cool when you think about it."

Kyle Broflovski Imagination

"Dude, this is so messed up!"

"I'm not a jew, I'm a person!"

"Guys, we need to think about this logically"

"You guys are being totally unreasonable"

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."