Who said "To grow stronger, one must face worthy opponents."?

This quote is attributed to Vegeta.

To grow stronger, one must face worthy opponents. - Vegeta

"To grow stronger, one must face worthy opponents."

Vegeta Education

"I am the prince of all Saiyans!"

"You dare challenge me? I am superior to you in every way!"

"A true warrior never surrenders."

"I will become the strongest in the universe."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."