Happiness is not the reward of virtue, but is virtue itself; nor do we delight in happiness because we restrain from our lusts; but on the contrary, because we delight in it, therefore we are able to restrain them.

He who seeks equality between unequals seeks an absurdity.

Freedom is absolutely necessary for the progress in science and the liberal arts.

Everything in nature is a cause from which there flows some effect.

We can always get along better by reason and love of truth than by worry of conscience and remorse...we should strive to keep worry from our life.

In proportion as we endeavor to live according to the guidance of reason, shall we strive as much as possible to depend less on hope, to liberate ourselves from fear, to rule fortune, and to direct our actions by the sure counsels of reason.

What everyone wants from life is continuous and genuine happiness.