Who said "Fear is just a feeling, not a fact."?

This quote is attributed to Tweety.

Fear is just a feeling, not a fact. - Tweety

"Fear is just a feeling, not a fact."

Tweety Fear

"I'm a tweety bird, that's me!"

"Suffering succotash! That's one angry cat."

"Hello, Doc!"

"Be vewy, vewy quiet... I'm hunting wabbits."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."