He, who knows how to distinguish between true and false, must have an adequate idea of true and false.

The idea, which constitutes the actual being of the human mind, is not simple, but compounded of a great number of ideas.

Men who are ruled by reason desire nothing for themselves which they would not wish for all mankind.

Blessedness is not the reward of virtue but virtue itself.

For peace is not mere absence of war, but is a virtue that springs from force of character: for obedience is the constant will to execute what, by the general decree of the commonwealth, ought to be done.

The more intelligible a thing is, the more easily it is retained in the memory, and counterwise, the less intelligible it is, the more easily we forget it.

Freedom is self-determination.