Who said "The mind is capable of so much more than we use it"?

This quote is attributed to Meathead.

The mind is capable of so much more than we use it - Meathead

"The mind is capable of so much more than we use it"

Meathead Imagination

"You gotta understand the dialectical materialism of the situation, Archie"

"Love is a beautiful thing, man, it's like the revolution of the heart"

"Education is the key to enlightenment and social change"

"Peace will come when we stop perpetuating the military-industrial complex"

"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."