Who said "I've never been defeated in single combat."?

This quote is attributed to Jaime Lannister.

I've never been defeated in single combat. - Jaime Lannister

"I've never been defeated in single combat."

Jaime Lannister Success

"The things we love destroy us every time."

"I am of the night."

"By what right does the wolf judge the lion?"

"The climb wasn't so bad, the fall was worse."

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."