Who said "Fear is the gift that separates the living from the dead."?

This quote is attributed to Mr. Freeze.

Fear is the gift that separates the living from the dead. - Mr. Freeze

"Fear is the gift that separates the living from the dead."

Mr. Freeze Fear

"I'm not a human anymore. I'm something... colder."

"My wife, Nora... she's all that matters to me."

"Vengeance is a cold dish best served frozen."

"The cold never bothered me anyway."

"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."