There is only one way in which you can "change your luck" and that is by altering your thoughts.
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.
Love so that you may actually be what you innately are.
The ideal is not believing in, but believing from.
Your fortune is not something to find but to unfold.
All things are possible to God and to you in God-consciousness.