Youth should stay away from all evil, especially things that produce wickedness and ill-will.
The moral virtues, then, are produced in us neither by nature nor against nature. Nature, indeed, prepares in us the ground for their reception, but their complete formation is the product of habit.
... There must then be a principle of such a kind that its substance is activity.
A promise made must be a promise kept.
Happiness comes from theperfect practice of virtue.
Modesty is hardly to be described as a virtue. It is a feeling rather than a disposition. It is a kind of fear of falling into disrepute.