He has no worse enemy than himself.

Silent enim leges inter arma (Laws are silent in times of war).

There is no being of any race who, if he finds the proper guide, cannot attain to virtue.

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.

For there is but one essential justice which cements society, and one law which establishes this justice. This law is right reason, which is the true rule of all commandments and prohibitions. Whoever neglects this law, whether written or unwritten, is necessarily unjust and wicked.

To live long it is necessary to live slowly.

Nature loves nothing solitary, and always reaches out to something, as a support, which ever in the sincerest friend is most delightful.