All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion and desire.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
All paid jobs absorb and degrade the mind.
The roots of education are bitter, but the fruit is sweet.
...happiness is the highest good, being a realization and perfect practice of virtue, which some can attain, while others have little or none of it...
He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god.
Wit is educated insolence.
We are what we repeatedly do. Excellence, then, is not an act, but a habit.
It is easy to fly into a passion--anybody can do that--but to be angry with the right person and at the right time and with the right object and in the right way--that is not easy, and it is not everyone who can do it.
Without friends no one would choose to live, though he had all other goods.