It is unbecoming for young men to utter maxims.

Mothers are fonder than fathers of their children because they are more certain they are their own.

Quality is not an act, it is a habit.

In all things of nature there is something of the marvelous.

If one way be better than another, that you may be sure is nature's way.

All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire.

All men by nature desire knowledge.

Man is by nature a political animal.

Nature does nothing in vain.

For as the eyes of bats are to the blaze of day, so is the reason in our soul to the things which are by nature most evident of all.