Psychologist Quotes and aphorisms about adult Sigmund Freud Wayne Dyer ,, I don't believe in 'thinking' old. Although I've transitioned through many bodies - a baby, toddler... Wayne Dyer ,, To be more childlike, you don't have to give up being an adult. The fully integrated person is capa... Wayne Dyer Jean Piaget Erich Fromm Martin Seligman Virginia Satir Rollo May Erik Erikson