Who said "Imagination is the only border that doesn't exist."?

This quote is attributed to Lewis, David.

Imagination is the only border that doesn't exist. - Lewis, David

"Imagination is the only border that doesn't exist."

Lewis, David Imagination

Philosopher American 1941–2001

"The things we love tell us what we are."

"To be is to do."

"Knowledge is power."

"Life is what happens when you're busy making other plans."

"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."