Who said "Imagination is where disappointment is born."?

This quote is attributed to Droopy.

Imagination is where disappointment is born. - Droopy

"Imagination is where disappointment is born."

Droopy Imagination

"I'm so happy."

"Hello, I'm so glad to see you."

"That makes me so sad."

"I'm afraid I have some bad news."

"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."