" Our life, like the harmony of the world, is composed of contrast, also of varying tones, sweet and harsh, sharp and flat, soft and loud. If a musician liked one sort only, what effect would he make? He must be able to employ them together and blend them. And we too must accept the good and bad that coexist in our life. Our existence is impossible without this mixture, and one side is no less necessary to us than the other. – Michel de Montaigne, sixteenth-century French writer "

― Philip G. Zimbardo , Man Disconnected: How technology has sabotaged what it means to be male