Matthew 16:24

Irenaeus Against Heresies Book III

For whosoever will save his life, shall lose it; and whosoever will lose it for My sake shall save it."[343]

Tertullian On Idolatry

If you wish to be the Lord's disciple, it is necessary you "take your cross, and follow the Lord: "[85]

Tertullian A Treatise on the Soul

counsels, it is not in gentle fevers and on soft beds, but in the sharp pains of martyrdom: you must take up the cross and bear it after your Master, as He has Himself instructed you.[321]

Constitutions of the Holy Apostles Book VI

ed from the curse, For Christ, the Son of God, by His coming has confirmed and completed the law, but has taken away the additional precepts, although not all of them, yet at least the more grievous ones; having confirmed the former, and abolished the latter, and has again set the free-will of man at liberty, not subjecting him to the penalty of a temporal death, but giving laws to him according to another constitution. Wherefore He says: "If any man will come after me, let him come."[124]

The First Epistle of Clement Concerning Virginity "Take up thy cross and follow"[42]

Origen Commentary on Matthew Book XII " etc.[165]

Origen Commentary on Matthew Book XII

Moreover in regard to the saying, "Let him deny himself,"[171]