Who said "You must believe in yourself when nobody else does."?

This quote is attributed to Dr. Dre.

You must believe in yourself when nobody else does. - Dr. Dre

"You must believe in yourself when nobody else does."

Dr. Dre

Hip Hop Producer Rapper American Born 1965 (age 61)

"Everybody wants to succeed, but everybody doesn't want to work."

"It's not about how hard you hit. It's about how hard you can get hit and keep moving forward."

"Don't chase it, let it come to you."

"I'm not a businessman, I'm a business, man."