Magical words or jadui shabd are words having mystical powers inside them and generally but not always belong to some diety. Regular chanting of these magical words can make you very rich, healthy, intelligent and what not depending upon what magical word you are reciting. In this materialistic world those who know them and derive benefit from them by constant recitation are actually the wise people. Being arduous does not mean you will definitely succeed, neither it is the best way of attaining success.