The answer
It is the contemplation of the light of God, and of His glory, and union with Him. The apostle Paul says, “For now we see in a mirror, dimly, but then face to face. Now I know in part, but then I shall know just as I also am known” (1 Cor. 13:12). And our Lord Christ says, “Then the righteous will shine forth as the sun in the kingdom of their Father” (Matt. 13:43).
Fr. Tadros Yacoub Malaty