We need to get past the point where being black and a male means that I am likely to mug you for your wallet, likely to have a minus 15 on my IQ, likely to not go to college and likely to wear my pants below my arse.
The stream will not permanently rise higher than the main source; and the main source of national power and national greatness is found in the average citizenship of the nation. Therefore it behooves us to do our best to see that the standard of the average citizen is kept high; and the average cannot be kept high unless the standard of the leaders is very much higher.