Therefore, since all the works of God were completed in six days, the world must continue in its present state through six ages, that is, six thousand years. For the great day of God is limited by a circle of a thousand years, as the prophet shows, who says In Your sight, O Lord, a thousand years are as one day. And as God labored during those six days in creating such great works, so His religion and truth must labor during these six thousand years, while wickedness prevails and bears rule. And again, since God, having finished His works, rested the seventh day and blessed it, at the end of the six thousandth year all wickedness must be abolished from the earth, and righteousness reign for a thousand years; and there must be tranquility and rest from the labors which the world now has long endured.

For in as many days as this world was made, in so many thousand years shall it be concluded. And for this reason the Scripture says: Thus the heaven and the earth were finished, and all their adornment. And God brought to a conclusion upon the sixth day the works that He had made; and God rested upon the seventh day from all His works. This is an account of the things formerly created, as also it is a prophecy of what is to come. For the day of the Lord is as a thousand years; and in six days created things were completed: it is evident, therefore, that they will come to an end at the sixth thousand year.