A wise man does nothing by constraint.

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.

Men of different tastes have different pursuits.

This is a proof of a well-trained mind, to rejoice in what is good and to grieve at the opposite.

Gratitude is not only the greatest of virtues, but the parent of all the others.

Nature abhors annihilation.

To know the laws is not to memorize their letter but to grasp their full force and meaning.