John Chrysostom
Catena Aurea · Matthäusevangelium 26
And when they had sung an hymn, they went out into the mount of Olives. Then saith Jesus unto them, All ye shall be offended because of me this night; for it is written, I will smite the shepherd, and the sheep of the flock shall be scattered abroad. But after I am risen again, I will go before you into Galilee. Peter answered and said unto him, Though all men shall be offended because of thee, yet will I never be offended. Jesus said unto him, Verily I say unto thee, That this night, before the cock crow, thou shalt deny me thrice. Peter said unto him, Though I should die with thee, yet will I not deny thee. Likewise also said all the disciples.
Let them hear this, who like swine with no thought but of eating rise from the table drunk, when they should have given thanks, and closed with a hymn. Let them hear who will not tarry for the final prayer in the sacred mysteries; for the last prayer of the mysteries represents that hymn. He gave thanks before He delivered the holy mysteries to the disciples, that we also might give thanks; He sung a hymn after He had delivered them, that we also should do the like.