If there is something truly important in this world, it is to know ourselves; yet, rare are those who know themselves. Moreover, even if the following statement seems incredible, in this life it is difficult to find a single person who has his vocational sense developed.
When someone is totally convinced about the role that he has to perform in his existence, he then makes an apostleship, a religion out of his vocation, thus, becoming—as a fact and by his own right—an apostle for humanity.