Be ashamed when you sin, not when you repent.
He that enjoys naught without thanksgiving is as though he robbed God.
If then we have Angels, let us be sober, as though we were in the presence of tutors; for there is a demon present also.
Fasting is a medicine.
Fasting of the body is food for the soul.
Imagine your anger to be a kind of wild beast, because it has ferocious teeth and claws, and if you don't tame it, it will devastate all things even corrupting the soul.