What looks like (and indeed was) the defeat of Goodness by evil is also, and more certainly, the defeat of evil by Goodness. Overcome there, he was himself overcoming. Crushed by the ruthless power of Rome, he was himself crushing the serpent’s head (Gn 3:15). The victim was the victor, and the cross is still the throne from which he rules the world.
The Cross of Christ
Via: Of First Importance