Everything good is costly, and the development of personality is one of the most costly of all things. It is a matter of saying yes to oneself, of taking oneself as the most serious of tasks, of being conscious of everything one does, and keeping it constantly before one's eyes in all its dubious aspects.
Carl JungObviously astrology has much to offer psychology, but what the latter can offer its elder sister is less evident. So far as I judge, it would seem to me advantageous for astrology to take the existence of psychology into account, above all the psychology of the personality and of the unconscious.
Carl Jung