Psychologist Quotes and aphorisms about scientific Jean Piaget Jean Piaget Karl Jaspers Wilhelm Reich Martin Seligman ,, There is an interesting scientific dispute about realism and optimism. Some find that very optimist... B. F. Skinner Angela Duckworth ,, I'm so much more gratified by my life now that I have an expertise. I wake up every day thinking ab... Robert D. Hare Daniel Goldstein Alison Gopnik