The wise man never loses his temper.

The divinity who rules within us, forbids us to leave this world without his command.

The magistrates are the ministers for the laws, the judges their interpreters, the rest of us are servants of the law, that we all may be free.

Not only is there an art in knowing a thing, but also a certain art in teaching it.

A careful physician . . . before he attempts to administer a remedy to his patient, must investigate not only the malady of the man he wishes to cure, but also his habits when in health, and his physical constitution.

Peace is liberty in tranquillity.

The most evident difference between man and animals is this: the beast, in as much as it is largely motivated by the senses and with little perception of the past or future, lives only for the present. But man, because he is endowed with reason by which he is able to perceive relationships, sees the causes of things, understands the reciprocal nature of cause and effect, makes analogies, easily surveys the whole course of his life, and makes the necessary preparations for its conduct.