He suffered all these things for our sake, so that we might be saved. And he truly suffered, just as he truly raised himself. It is not as some faithless people say, that he suffered only in mere appearance.
For I know and believe that he was in the flesh even after the resurrection. And when he came to those around Peter, he said to them: "Take hold of me, touch me and see that I am not a bodiless demon." And immediately they touched him and believed, being joined to his flesh and his spirit.
They abstain from the Eucharist and from prayer, because they do not confess that the Eucharist is the flesh of our Savior Jesus Christ, the flesh that suffered for our sins and that the Father raised up in his goodness. So those who speak against the gift of God die in their disputing.
But if, as some godless people—that is, faithless people—say, he suffered in mere appearance, then they themselves are mere appearance. Why am I bound? Why do I pray for martyrdom by beasts?
So make yourselves deaf whenever anyone speaks to you apart from Jesus Christ. He was of the family of David and of Mary. He truly was born, and he ate and drank.
Irenaeus of LyonsTeaches: He was truly born, ate, suffered, and rose
c. 130–c. 202 AD · Against Heresies 3.18
1. As it has been clearly demonstrated that the Word, who existed in the beginning with God, by whom all things were made, who was also always present with mankind, was in these last days, according to the time appointed by the Father, united to His own workmanship, inasmuch as He became a man liable to suffering, it…
NovatianTeaches: He was truly born, ate, suffered, and rose
fl. c. 250 AD · On the Trinity 10
I warn you: we are not to expect a different Christ in the gospel than this one whom the Creator promised beforehand in the letters of the Old Testament. The very things predicted about him have been fulfilled, and the things fulfilled were foretold in advance.