Fear is death, fear is sin, fear is hell, fear is unrighteousness, and fear is wrong life. All the negative thoughts and ideas that are in the world have proceeded from this evil spirit of fear.
As the gardener, by severe pruning, forces the sap of the tree into one or two vigorous limbs, so should you stop off your miscellaneous activity and concentrate your force on one or a few points.
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.