John Chrysostom

For he, seeing the many signs, and many drawn after Him, thought to make a gain out of such miracles; wherefore also he was forward to follow Him. And whence is this manifest? From the answer which Christ makes, meeting not the question, as it stands verbally, but the temper shown in its meaning. For, "What?" saith He. "dost thou look to gather wealth by following me? …

Homily on the Gospel of Matthew 27 ↗

Augustine of Hippo

Otherwise; The Son of man hath not where to lay his head; that is, in your faith. The foxes have holes, in your heart, because you are deceitful. The birds of the air have nests, in your heart, because you are proud. Deceitful and proud follow Me not; for how should guile follow sincerity? (Quæst. in Matt. q. 5.) He was moved to follow Christ because of the miracles; this vain desire of glory is signified by the birds; but he assumed the submissiveness of a disciple, which deceit is signified by the foxes.

Catena Aurea by Aquinas ↗

Gregory the Dialogist

Otherwise; The fox is a crafty animal, lying hid in ditches and dens, and when it comes abroad never going in a straight path, but in crooked windings; birds raise themselves in the air. By the foxes then are meant the subtle and deceitful dæmons, by the birds the proud dæmons; as though He had said; Deceitful and proud dæmons have their abode in your heart; but my lowliness finds no rest in a proud spirit.

Catena Aurea by Aquinas ↗

Thomas Aquinas

He continues, Foxes have holes... Jerome explains that God responds to the intention, as he often does. He wished to follow, but his eye was on gain. Against this the Lord stresses poverty: Foxes have holes and the birds of the air have nests; but the Son of man has nowhere to lay his head; as it says in 2 Corinthians (8:9): "Though he was rich, yet for your sake he became poor." According to Augustine he notes three vices in him: the vice of deceit, because he had honey on his lips and venom in his heart, as it says in Psalm 12 (v. …

Commentary on Matthew ↗