Who said "Just because I cannot see it, doesn't mean it isn't there."?

This quote is attributed to Jack Skellington.

Just because I cannot see it, doesn't mean it isn't there. - Jack Skellington

"Just because I cannot see it, doesn't mean it isn't there."

Jack Skellington Faith

"I am the Pumpkin King!"

"How wonderful! How strange! Oh, how I love it so!"

"There's something kind of funny about the whole thing."

"I've grown so weary of the same old thing."

"Faith guides me through difficult times."

"Faith is believing when you can't see."

"You have to believe in something, or you'll fall for anything."

"Faith in God and in each other is what sustains us"