Who said "When you stare into the abyss, it stares back into you."?

This quote is attributed to Constantine.

When you stare into the abyss, it stares back into you. - Constantine

"When you stare into the abyss, it stares back into you."

Constantine Fear

"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."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."