So Jesus said to them, “Truly, truly, I tell you, unless you eat the flesh and drink the blood of the Son of Man, you have no life in you.
53. Verily, verily, I say to you. The just resentment which Christ felt, “Un juste despit que Christ a conceu.” when he saw his grace rejected with such haughty disdain, constrained him to employ this oath. For he does not now make use of simple doctrine, but likewise mingles threatenings for the purpose of striking terror.
Christ let them question Him freely, no small condescension. The wise teacher listens swiftly and turns even foolish questions toward what profits. These Galileans asking "What shall we do?" show a teachable mind, unlike the Judean critics who came only to cavil. He answers the sincere request, not the impertinent quibble.
AI summary
Commenting on John 6:28-59
For my flesh is meat indeed,.... Not in a corporeal, but in a spiritual sense; and the same is said of his blood: and my blood is drink indeed, &c. that is, they are both "truly" meat and drink, as the Vulgate Latin, Syriac, and Ethiopic versions render it; or are "true" meat and drink, as the Arabic version: in opposition to what was typical...