15 What then I said before this, I now again repeat. Let us lay down a law for ourselves in this matter; not to meddle either with public or private affairs until we have fulfilled this law; and then surely under the pressure of this obligation we shall easily conquer, and we shall at once adorn ourselves, and decorate our city. For consider what a thing it would be to have it said every where throughout the world, “A practice becoming Christians is established at Antioch, and you will hear no one giving utterance to an oath, even though the greatest necessity is laid upon him!”
This is what the neighbouring cities will certainly hear; nay, not the neighbouring cities only, but even to the ends of the earth will the report be conveyed. For it is indeed probable that both the merchants who mix with you, and others who arrive from this place, will report all these matters. When, therefore, many persons in the way of encomium mention the harbours of other cities, or the markets, or the abundance of wares, enable those who come from hence to say, that there is that at Antioch, which is to be seen in no other city; for that the men who dwell there would sooner have their tongues cut out, than suffer an oath to proceed from their mouths!
This will be your ornament and defence, and not only so, but it will bring an abundant reward. For others also will certainly emulate, and imitate you. But if, when a person has gained but one or two, he shall receive so great a reward from God; what recompense shall you not receive when you are the instructors of the whole world. It is your duty then to bestir yourselves, to be watchful, and to be sober; knowing that not only from our own personal good works, but from those we have also wrought in others, shall we receive the best recompense, and enjoy much favour with God, which may He grant us all continually to enjoy, and hereafter to obtain the kingdom of heaven, in Christ Jesus our Lord; to Whom with the Father, and the Holy Ghost, be glory and power both now and ever, and world without end.
Amen.
Source: Homilies on the Statues (New Advent)