When you saw me in the boxing ring fighting, it wasn't just so I could beat my opponent. My fighting had a purpose. I had to be successful in order to get people to listen to the things I had to say.
The point, which can hardly be repeated too often, is that differentiation is not separation. The head and the feet are different, but not separate, and though man is not connected to the universe by exactly the same physical relation as branch to tree or feet to head, he is nonetheless connected - and by physical relations of fascinating complexity.
I do not know anyone who has got to the top without hard work. That is the recipe. It will not always get you to the top, but should get you pretty near.