John Chrysostom

Again doth the evangelist express the cause, for which they ought to have held their peace, and marks their boldness by this also. How and in what way? Because when those others were put to silence, these again assail Him. For when they ought even for this to hold their peace, they strive to urge further their former endeavors, and put forward the lawyer, not desiring to learn, but making a trial of Him, and ask, "What is the first commandment?" For since the first commandment was this, "Thou shalt love the Lord thy God," thinking …

Homily on the Gospel of Matthew 71 ↗

Theophylact of Ohrid

Out of immeasurable spite this man comes forward to put the Lord to the test. For when they saw the Sadducees put to shame and the Lord praised for His wisdom, they came forward to test Him to see if He would add something to the first commandment, and thus give them the chance to accuse Him of being an innovator who corrects the law. …

Commentary on Matthew ↗

Jerome

But when the Pharisees heard that he had silenced the Sadducees, they gathered together. And one of them, a lawyer, asked him a question to test him: "Teacher, which is the great commandment in the Law?" What we read about Herod and Pontius Pilate, that they conspired in the death of the Lord, we also see now concerning the Pharisees and the Sadducees, who are opposed to each other, but agree with the same mind in testing Jesus. …

Commentary on Matthew ↗

Thomas Aquinas

Above, the Lord responded to the question raised about the payment of tribute, and also to the question about the resurrection; here he responds to the question about the comparison of the divine commandments: and he does two things. First, the question is presented; secondly, the response, at Jesus said to them, etc. Concerning the first, he does two things. First, he describes the wickedness of the questioners; secondly, the question, at master, which is the great commandment in the law? …

Commentary on Matthew ↗