The highest activity a human being can attain is learning for understanding, because to understand is to be free.
It is usually the case with most men that their nature is so constituted that they pity those who fare badly and envy those who fare well.
I would warn you that I do not attribute to nature either beauty or deformity, order or confusion. Only in relation to our imagination can things be called beautiful or ugly, well-ordered or confused.
I have resolved to demonstrate by a certain and undoubted course of argument, or to deduce from the very condition of human nature, not what is new and unheard of, but only such things as agree best with practice.
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