Who said "I've learned that forgiveness is harder than revenge."?

This quote is attributed to Batman.

I've learned that forgiveness is harder than revenge. - Batman

"I've learned that forgiveness is harder than revenge."

Batman Relationships

"It's not who I am underneath, but what I do that defines me."

"Fear is a tool. When that light hits the sky, it's not just a call. It's a warning."

"Criminals thrive on the indulgence of society's understanding."

"I have not come to fight men. I have come to save them."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."