Who said "I've learned that love and pain are often the same thing."?

This quote is attributed to Ghost.

I've learned that love and pain are often the same thing. - Ghost

"I've learned that love and pain are often the same thing."

Ghost Love

"I'm not trying to hurt anyone. I just want to exist."

"You took everything from me. My body, my life, my choice."

"I understand pain. I've lived it every second since the accident."

"Time moves differently when you're phased between dimensions."

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"