On the one hand, there is no reason that a black person needs to live a portion of his or her life being concerned about the people of color around him. On the other hand, if you don't you're crazy.
I could produce spurts of speed and after taking up athletics I found myself running quite quickly over 400m.
The message is not so much that the worms will inherit the Earth, but that all things play a role in nature, even the lowly worm.