Augustine of Hippo

Some who witnessed Christ's miracles did not understand what they meant, and how they spoke to those who knew they had special meaning. They wondered only at the miracles themselves. Others both marvelled at the miracles, and attained some preliminary understanding of them. For this we must come to the school of Christ himself. Those fixed only upon the plain sense of Scripture tend to focus merely upon miracle for miracles' sake. …

Sermons On New Testament Lessons 48.3 ↗

Gregory the Dialogist

For, as to what you have said about the fig-tree, Augustine speaks aptly in the same sense; for, when the evangelist subjoined, For the time of figs was not yet, it is plainly shown that the figs which the Lord had sought were fruit in the synagogue, which had the leaves of the Law, but not the fruit of works. For the Creator of all things could not be ignorant that the fig-tree had no fruit; which was a thing that all might know, since it was not the time of figs.

Register of Epistles, Book 10, Epistle 39 ↗

Bede

Just in the same way as He speaks parables, so also His deeds are parables; therefore He comes hungry to seek fruit off the fig tree, and though He knew the time of figs was not yet, He condemns it to perpetual barrenness, that He might show that the Jewish people could not be saved through the leaves, that is, the words of righteousness which it had, without fruit, that is, good works, but should be cut down and cast into the fire. …

Catena Aurea by Aquinas ↗