Augustine of Hippo

With respect to the sick of the palsy, we may understand that the soul relaxed in its limbs, i. e. its operations, seeks Christ, i. e. the meaning of God's word; but is hindered by the crowds, that is to say, unless it discovers the secrets of the thoughts, i. e. the dark parts of the Scriptures, and thereby arrives at the knowledge of Christ.

Catena Aurea by Aquinas ↗

Ambrose of Milan

Now let every sick person have those that will pray for his salvation, by whom the loosened joints of our life and halting steps may be renewed by the remedy of the heavenly word. Let there be then certain monitors of the soul, to raise the mind of man, though grown dull through the weakness of the external body, to higher things, by the aid of which being able again easily to raise and humble itself, it may be placed before Jesus worthy to be presented in the Lord's sight. For the Lord beholdeth the humble.

Catena Aurea by Aquinas ↗

Bede

And behold, men brought on a bed a man who was paralyzed, and they sought to bring him in and lay him before Him. The healing of this paralytic indicates the salvation of a soul sighing for Christ after a long period of carnal indolence. First of all, it needs ministers to lift it and bring it to Christ, that is, good teachers who offer the hope of healing and the help of intercession. …

On the Gospel of Luke ↗