Theophylact of Ohrid

Do you see that he who applies the greater diligence draws to himself the greater gift? To him who has the greater diligence, more grace will be given and in abundance. But from him who is not diligent, even the gift which he thinks he has will be taken away. For he who is not diligent and does not work and trade with what he has received, does not have the gift, but only appears to have it. For he has blotted it out by his neglect.

Commentary on Matthew ↗

Jerome

For to everyone who has, more will be given, and he will have abundance; but from him who doesn't have, even that which he seems to have will be taken away. Many, though naturally wise and possessing sharp intellect, if they are negligent and laziness corrupts the good of their nature, in comparison to the one who is slightly slower but has compensated for what he lacked through effort and industry, they lose the good of their nature and the reward that had been promised to them, and see it pass to others. …

Commentary on Matthew ↗

Gregory the Dialogist

A general statement is also immediately added, in which it is said: "For to everyone who has, it shall be given, and he shall abound; but from him who has not, even what he seems to have shall be taken away from him." For to him who has it shall be given, and he shall abound, because whoever has charity also receives other gifts. Whoever does not have charity loses even the gifts he seemed to have received. Therefore it is necessary, my brothers, that in everything you do, you watch over the keeping of charity. …

Forty Gospel Homilies, Homily 9 ↗

Hilary of Poitiers

And on those who have the privilege of the Gospels, the honour of the Law is also conferred, but from him who has not the faith of Christ is taken away even that honour which seemed to be his through the Law.

Catena Aurea by Aquinas ↗