Who said "I have learned that love is a weapon like any other."?

This quote is attributed to Lannister.

I have learned that love is a weapon like any other. - Lannister

"I have learned that love is a weapon like any other."

Lannister Love

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"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!"