On the third day the Almighty proclaims that, as both forces are equal in strength, the fighting will never end unless he interferes. He therefore summons his only begotten Son to wield the thunder-bolts, his exclusive weapon. Ever ready to do his Father's will, the Son accepts, mounts a chariot borne by four cherubs, and sets forth, attended by twenty thousand saints, who wish to witness his triumph. On seeing him approach, the good angels exult, while the wicked are seized with terror, although they disdain to flee. Bidding the angelic host watch him triumph single-handed over the foe, the Son of God changes his benignant expression into one of wrath, and hurls his thunder-bolts to such purpose that the rebels long for the mountains to cover them as on the previous day. With these divine weapons Christ ruthlessly drives Satan and his hosts out of the confines of heaven, over the edge of the abyss, and hurls them all down into the bottomless pit, sending after them peal after peal of thunder, together with dazzling flashes of lightning, but mercifully withholding his deadly bolts, as he purposes not to annihilate, but merely to drive the rebels out of heaven. Thus, with a din and clatter which the poet graphically describes, Satan and his host fall through space and land nine days later in the fiery lake! After pursuing the foe far enough to make sure they will not return, the Messiah re-enters heaven in triumph, greeted by saints and angels with hymns of praise. This account of the war in heaven concluded, Raphael informs Adam that Satan, leader of these fallen angels, envying his happy state, is now plotting to seduce him from his allegiance to God, and thus compel him to share his eternal misery. "But listen not to his temptations; warn Thy weaker; let it profit thee to have heard By terrible example the reward Of disobedience; firm they might have stood, Yet fell; remember, and fear to transgress." _Book VII._ At Adam's request Raphael next explains how the earth was created, saying that, as Satan had seduced one-third of heaven's inhabitants, God decided to create a new race, whence angels could be recruited to repeople his realm. In terms simple enough to make himself understood, Raphael depicts how the Son of God passing through heaven's gates and viewing the immeasurable abyss, decided to evolve from it a thing of beauty. He adds that the Creator made use of the divine compasses "prepared in God's eternal store," to circumscribe the universe, thus setting its bounds at equal distance from its centre. Then his spirit, brooding over the abyss, permeated Chaos with vital warmth, until its various components sought their appointed places, and earth "self-balanced on her centre hung." Next the light evolved from the deep began to travel from east to west, and "God saw that it was good."