Whoever engages in inner warfare needs at every moment four things: humility, the greatest vigilance, the will to resist and prayer. It is a matter of dominating, with God’s help, the “Ethiopians of thought”, thrusting them out by the door of the heart, and crushing at once those who dash your little ones against the rocks (Psalm 137: 9). Humility is a prerequisite, for the proud man is once and for all shut out. Vigilance