Augustine of Hippo
Catena Aurea · Johannesevangelium 21
Joh 21, Verses 12–14English original
Jesus saith unto them, Come and dine. And none of the disciples durst ask him, Who art thou? knowing that it was the Lord. Jesus then cometh, and taketh bread, and giveth them, and fish likewise. This is now the third time that Jesus shewed himself to his disciples, after that he was risen from the dead. And none of His disciples durst ask Him, who art Thou? knowing that it was the Lord.
(Tract. cxxii) No one dared to doubt that it was He, much less deny it; so evident was it. Had any one doubted, he would have asked.