Psychologist Quotes and aphorisms about question Carl Jung Sigmund Freud Wayne Dyer Jean Piaget Martin Seligman ,, I'm all for past influences; the question is whether they are deterministic. Freud and the behavior... Angela Duckworth ,, There is a fluency and an ease with which true mastery and expertise always expresses itself, wheth... Carl Rogers Rollo May Irvin D. Yalom Karl Abraham ,, Psychoanalysts have been occupied for a long time with the difficult question of what the psycholog...