Who said "I've learned that fear is often the greatest enemy."?

This quote is attributed to Leia Organa.

I've learned that fear is often the greatest enemy. - Leia Organa

"I've learned that fear is often the greatest enemy."

Leia Organa Fear

"Someone has to save our skins. Into the garbage chute, flyboy!"

"I find your lack of faith in the Rebellion disturbing."

"The more you tighten your grip, the more star systems will slip through your fingers."

"I'd just as soon kiss a Wookiee as admit I cared."

"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."