"Every man and woman in society has one big duty. That is, to take care of his or her own self. This is a social duty. For, fortunately, the matter stands so that the duty of making the best of one's self individually is not a separate thing from the duty of filling one's place in society, but the two are one, and the latter is accomplished when the former is done"

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We assert then that nothing has been accomplished without interest on the part of the actors; and — if interest be called passion, inasmuch as the whole individuality, to the neglect of all other actual or possible interests and claims, is devoted to an object with every fibre of volition, concentrating all its desires and powers upon it — we may affirm absolutely that nothing great in the World has been accomplished without passion.

— Georg Wilhelm Friedrich Hegel