Nothing stops the man who desires to achieve. Every obstacle is simply a course to develop his achievement muscle. It's a strengthening of his powers of accomplishment.
The one thing that a fish can never find is water; and the one thing that man can never find is God.
Evil, and evil spirits, devils and devil possession, are the outgrowth of man's inadequate consciousness of God. We must avoid thinking of evil as a thing in itself - a force that works against man or, against God, if you will.
Fundamentalists believe Jesus was God becoming man. I believe that Jesus was man becoming God.