Who said "Every battle makes me more than I was before."?

This quote is attributed to Doomsday.

Every battle makes me more than I was before. - Doomsday

"Every battle makes me more than I was before."

Doomsday Perseverance

"I am the thing that darkness fears."

"Destruction is the only truth I know."

"You cannot stop what has already begun."

"I grow stronger with every battle."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."