Who said "Every spell has a price; make sure someone else pays it."?

This quote is attributed to Agatha Harkness.

Every spell has a price; make sure someone else pays it. - Agatha Harkness

"Every spell has a price; make sure someone else pays it."

Agatha Harkness Wisdom

"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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."