Make frequent visits to Jesus in the Blessed Sacrament and the devil will be powerless against you.

Fly from bad companions as from the bite of a poisonous snake. If you keep good companions, I can assure you that you will one day rejoice with the blessed in Heaven; whereas if you keep with those who are bad, you will become bad yourself, and you will be in danger of losing your soul.

Holy Purity, the queen of virtues, the angelic virtue, is a jewel so precious that those who possess it become like the angels of God in heaven, even though clothed in mortal flesh.