Who said "Imagination must be grounded in reality to be useful."?

This quote is attributed to Felix Unger.

Imagination must be grounded in reality to be useful. - Felix Unger

"Imagination must be grounded in reality to be useful."

Felix Unger Imagination

"I can't live with dirt. I've got to have things clean, orderly, and organized."

"A man should take pride in his appearance and his home."

"You can't just throw things around. Everything has its place."

"I need structure. Without it, I fall apart."

"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."