Quo usque tandem abutere, Catilina, patientia nostra? In heaven's name,Catiline, how long will you abuse ourpatience?

It is a great proof of talents to be able to recall the mind from the senses, and to separate thought from habit.

Superstition is an unreasoning fear of God.

To reduce man to the duties of his own city, and to disengage him from duties to the members of other cities, is to break the universal society of the human race.

The best Armour of Old Age is a well spent life preceding it; a Life employed in the Pursuit of useful Knowledge, in honourable Actions and the Practice of Virtue; in which he who labours to improve himself from his Youth, will in Age reap the happiest Fruits of them; not only because these never leave a Man, not even in the extremest Old Age; but because a Conscience bearing Witness that our Life was well-spent, together with the Remembrance of past good Actions, yields an unspeakable Comfort to the Soul

It is as hard for the good to suspect evil, as it is for the bad to suspect good.

Every one is least known to himself, and it is very difficult for a man to know himself.