For 4900 then there shall in truth be a common joy consummated to all those who believe unto life, and in each individual shall be confirmed the mystery of the Resurrection, and the hope of incorruption, and the commencement of the eternal kingdom, when God shall have destroyed death and the devil. For that human nature and flesh which has risen again from the dead shall die no more; but after it had been changed to incorruption, and made like to spirit, when the heaven was opened, [our Lord] full of glory offered it (the flesh) to the Father.
This extract is introduced as follows: “For Irenæus Bishop of Lyons, who was a contemporary of the disciple of the apostle, Polycarp Bishop of Smyrna, and martyr, and for this reason is held in just estimation, wrote to an Alexandrian to the effect that it is right, with respect to the feast of the Resurrection, that we should celebrate it upon the first day of the week.” This shows us that the extract must have been taken from the work Against Schism addressed to Blastus.