Who said "The strongest spell is the one you can't speak out loud."?

This quote is attributed to Constantine.

The strongest spell is the one you can't speak out loud. - Constantine

"The strongest spell is the one you can't speak out loud."

Constantine Power

"I've spent half my life on my knees praying for forgiveness. I got up off my knees."

"You're going to have to trust me. I know what I'm doing."

"Hell is just a word. The real hell is your life."

"I'm not a hero. I'm just a guy who knows things."

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."