Idleness is the beginning of all psychology. What? Could it be that psychology is — a vice? – Friedrich Nietzsche, alluding to the proverb “Idleness is the beginning of all v

If my devils are to leave me, I am afraid my angels will take flight as well. – Rainer Maria Rilke, on leaving psychotherapy

A vigorous five-mile walk will do more good for an unhappy but otherwise healthy adult than all the medicine and psychology in the world. – Paul Dudley White