Already done.
Psalm 139:16 Thine eyes did see my substance, yet being unperfect; and in thy book all my members were written, which in continuance were fashioned, when as yet there was none of them.
Revelation 20:15 And whosoever was not found written in the book of life was cast into the lake of fire.
But the Lord entered history, and so we know about an Alpha and an Omega—and time in between. Why do the performers come on the stage if the play is already over, and Hamlet is dead before he speaks his first line?