Who said "You're stronger than you think. Too bad you won't use it."?

This quote is attributed to Catwoman.

You're stronger than you think. Too bad you won't use it. - Catwoman

"You're stronger than you think. Too bad you won't use it."

Catwoman Strength

"Don't be afraid. Fear is a tool. They use it against you. But if you practice it, master it, you own it."

"You know what your problem is? You always want to save everyone."

"There's no place in this world for people like you and me."

"I'm not what you'd call a 'people person.'"

"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."