12 But men continually injure themselves exceedingly in their fear to offend others. For good friends have much influence for good, and evil friends for evil. Therefore it was not the Lord's will to choose first senators, but fishermen, to teach us for our own salvation to disregard the friendship of the powerful. O signal mercy of the Creator! For He knew that had He chosen the senator, he would say, “My rank has been chosen.” If He had first made choice of the rich man, he would say, “My wealth has been chosen.”
If He had first made choice of an emperor, he would say, “My power has been chosen.” If the orator he would say, “My eloquence has been chosen.” If of the philosopher, he would say, “My wisdom has been chosen.” Meanwhile He says, let these proud ones be put off awhile, they swell too much. Now there is much difference between substantial size and swelling; both indeed are large, but both are not alike sound. Let them then, He says, be put off, these proud ones, they must be cured by something solid.
First give Me, He says, this fisherman. “Come, you poor one, follow Me; you have nothing, you know nothing, follow Me. Thou poor and ignorant one, follow Me. There is nothing in you to inspire awe, but there is much in you to be filled.” To so copious a fountain an empty vessel should be brought. So the fisherman left his nets, the fisherman received grace, and became a divine orator. See what the Lord did, of whom the Apostle says, “God has chosen the weak things of the world to confound the things which are mighty, and base things of the world has God chosen, yea and things which are not, as if they were, that those things which are may be brought to nought.” And so now the fishermen's words are read, and the necks of orators are brought down.
Let all empty winds then be taken away, let the smoke be taken away which vanishes as it mounts; let them be utterly despised when the question is of this salvation.
Source: Sermons on Selected Lessons of the New Testament (New Advent)