Who said "The impossible is only impossible until it happens."?

This quote is attributed to Fox Mulder.

The impossible is only impossible until it happens. - Fox Mulder

"The impossible is only impossible until it happens."

Fox Mulder Imagination

"The truth is out there."

"I want to believe."

"Trust no one."

"The answers are in the questions we're afraid to ask."

"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."