How to overcome evil in the world

Why is there so much evil in the world today?  Because people have thrown away their most reliable weapon, the all-victorious weapon with which every evil, every sin, and every demon are assuredly vanquished on all battlefields.  And this weapon is prayer—prayer and fasting.  It is the most reliable weaponry, because it is God’s weaponry; the most reliable, all-victorious weaponry because it is Christ’s weaponry—the weaponry of the only true God in all realms.