My father wasn't perfect. He had a temper. I took some of that. He would snap, but the older he got, he started calming down. He learned about life, but the thing that he taught my whole family was that family was the most important thing and, no matter what, if a family member needs you, you go and help them out; you get there.
Training the intellect does not result in intelligence. Intelligence comes into being when one acts in perfect harmony, both intellectually and emotionally.
The diversity in the human family should be the cause of love and harmony, as it is in music where many different notes blend together in the making of a perfect chord.