Who said "In cold, there is no pain. Pain is a warm affliction."?

This quote is attributed to Mr. Freeze.

In cold, there is no pain. Pain is a warm affliction. - Mr. Freeze

"In cold, there is no pain. Pain is a warm affliction."

Mr. Freeze Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."