Who said "I've learned that revenge only hurts yourself."?

This quote is attributed to 50 Cent.

I've learned that revenge only hurts yourself. - 50 Cent

"I've learned that revenge only hurts yourself."

50 Cent Justice

Hip Hop Rapper American Born 1975 (age 51)

"Get rich or die tryin'"

"I'm a gangsta, but y'all knew that"

"Power is the best deodorant"

"Success is my only option, failure's not"

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."