One's own karma, one's own actions are responsible to come to bring either happiness or success or whatever.
Maharishi Mahesh YogiBeing is the basis of thinking, thinking is the basis of action, action is the basis of achievement and achievement is the basis of fulfillment.
Maharishi Mahesh YogiExperience shows that Being is the essential, basic nature of the mind; but, since It commonly remains in tune with the senses projecting outwards toward the manifested realms of creation, the mind misses or fails to appreciate its own essential nature, just as the eyes are unable to see themselves.
Maharishi Mahesh Yogi