Elijah Muhammad
People in 1931 in the United States founded Nation of Islam, a religious and cultural organization, espousing principles and favoring political, social, and economic independence for African Americans; American activist Elijah Muhammad, originally Elijah Poole led it from 1934 to 1975.
He mentored Malcolm X, Louis Farrakhan, and Muhammad Ali and fathered Warith Deen Mohammed, his son.
https://en.wikipedia.org/wiki/Elijah_...
“Don't condemn if you see a person has a dirty glass of water, [.....] just show them the clean glass of water that you have. When they inspect it, you won't have to say that yours is better.”
Elijah Muhammad