Theophylact of Ohrid

Look, if you will, at the persistence of his confession as well — how, despite the fact that many were trying to silence him, he did not fall silent but cried out all the louder; for a fervent zeal was moving him from within.

Commentary on Luke ↗

Gregory the Dialogist

Those who precede Jesus as he comes—what do they signify but the crowds of carnal desires and the tumults of vices, which, before Jesus comes to our heart, scatter our thoughts with their temptations and disturb the voice of the heart in prayer? For often when we wish to turn to the Lord after committing sins, when we strive to pray against those very vices we have committed, the phantoms of the sins we have done rush upon the heart, strike back against the vision of our mind, confuse the soul, and suppress the voice of our entreaty. …

Forty Gospel Homilies, Homily 2 ↗

Bonaventure

And since the imaginations of things, which ought to lead us to God, present an obstacle to our prayer, therefore he adds: And those who went before rebuked him, that he should be silent. Whence the Gloss: "Those who go before Jesus as he comes signify the tumult of carnal desires, which scatter the thought of man and disturb the voice of prayer, lest Jesus be able to come to illuminate the heart of man." Whence imaginations of this kind, drawing us back from prayer through their clamor, are nothing other than a certain obstacle …

Commentary on Luke, Chapter 18 ↗