Taught more about Jesus in his sermons and writing than any other man alive.
Said Negroes did not fight valiantly in heaven; so even though they came to earth, they had to be cursed with dark skin and stuff. Today many Mormons sun-bathe in hopes of getting dark skin and think they are blessed when they succeed. The people who fought valiantly in heaven were blessed with pasty white skin that burns easily.
The second edition of his book "Mormon Doctrine" left that part out.