You can change the way you think and thereby your world.
It is possible to program your (sub.consciousness) mind. You always do, by what you let yourself to think.
If you don’t pay attention to programming of your mind you are programmed directly by others: People around you, media, advertises, institutions.
Your mind is programmed from time you exist
10 tips program-your-subconscious-mind
Trough religious means.
Methods are used in neurolingusitic programming