A man of courage is also full of faith.

I know that it is likely that as worship of the gods declines, faith between men and all human society will disappear, as well as that most excellent of all virtues, which is justice.

The shifts of fortune test the reliability of friends.

Friendship embraces innumerable ends; turn where you will it is ever at your side; no barrier shuts it out; it is never untimely and never in the way.

Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.

A perverse temper and fretful disposition will make any state of life whatsoever unhappy.

He who has a garden and a library wants for nothing.