What man really dominates his destiny? The great person may succeed in modifying it, but the psychological and physical factors with which the ordinary person starts the course of life are already in his genes and predicate both character and fortune. He is at the mercy of events until he learns this secret of modifying and influencing them.
-- Notebooks Category 9: From Birth to Rebirth > Chapter 3: Laws and Patterns of Experience > # 498
-- Perspectives > Chapter 9: From Birth to Rebirth > # 41