The surviving fragments of Democritus’s writing illustrate how rewarding he found the practice of thinking to be: “It is godlike ever to think on something beautiful and on something new”; “Happiness does not reside in strength or money; it lies in rightness and many-sidedness”; “I would rather discover one true cause than gain the kingdom of Persia.” Not surprisingly, some of his more enlightened contemporaries concluded that Democritus had a cheerful disposition, and said that he “called Cheerfulness, and often Confidence, that is a mind devoid of fear, the highest good.” In other words, he
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