The reason why the world lacks unity, and lies broken and in heaps, is, because man is disunited with himself. – Ralph Waldo Emerson

In each generation the human mind in every man reverts to its starting-point; each new man is a primitive man. – Alexandre Vinet (1797–1847)

Nature does not deceive us; it is we who deceive ourselves. – Jean-Jacques Rousseau, Emile, 1762

That in man which cannot be domesticated is not his evil but his goodness. – Antonio Porchia, Voces, 1943, translated from Spanish by W.S. Merwin