Who said "I've learned that life is too short for weakness."?

This quote is attributed to Agatha Harkness.

I've learned that life is too short for weakness. - Agatha Harkness

"I've learned that life is too short for weakness."

Agatha Harkness Life

"Well, hello, dearie."

"The real question is, what are you willing to do to keep what you love?"

"Power isn't given, it's taken."

"I'm not a witch. Well, not a traditional one anyway."

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."