1 Corinthians 6:19-20
So do the heavens also glorify Him, uttering no voice, but by the view of them attracting wonder and referring the glory unto the Great Artificer. So let us glorify Him also, or rather more than they. For we can if we will. For not so much do the heaven nor day nor night glorify God, as a holy soul. For as one that gazes upon the beauty of the heaven, says, “Glory be to You, O God! How fair a work have you formed!” so too when beholding virtue in any man: nay, and much more so in the latter instance. For from these works of creation all do not glorify God; but many even assert that the things which exist are self-moving: and others impute to demons the workmanship of the world and providence; and these indeed greatly and unpardonably err: but in regard to the virtue of man, no one shall have power to hold these shameless opinions, but shall assuredly glorify God when he sees him that serves Him living in goodness. For who shall help being astonished when one being a man, and partaking of our common nature, and living among other men, like adamant yields not at all to the swarm of passions? When being in the midst of fire and iron and wild beasts, he is even harder than adamant and vanquishes all for the Word of godliness' sake? When he is injured, and blesses; when he is evil reported of, and praises; when he is despitefully used, and prays for those who injure him; when he is plotted against, and does good to those that fight with him and lay snares for him? For these things, and such as these, will glorify God far more than the heaven. For the Greeks when they behold the heavens feel no awe; but when they see a holy man exhibiting a severe course of life with all strictness, they shrink away and condemn themselves. Since when he that partakes of the same nature as themselves is so much above them, a great deal more so than the heaven is above the earth, even against their inclination they think that it is a Divine power which works these things. Wherefore He says, “And glorify your Father which is in heaven.”
5. Will you learn also from another place how by the life of His servants God is glorified, and how by miracles? Nebuchadnezzar once threw the Three Children into the furnace. Then when he saw that the fire had not prevailed over them, he says, “Blessed be God, who has sent His Angel, and delivered his servants out of the furnace, because they trusted in Him and have changed the word of the king.” “How do you say? Have you been despised, and do you admire those who have spit upon you?” “Yes,” says he, “and for this very reason, that I was despised.” And of the marvel he gives this reason. So that not because of the miracle alone was glory given to God at that time, but also because of the purpose of those who have been thrown in. Now if any one would examine this point and the other, as they are in themselves, this will appear not less than that: for to persuade souls to brave a furnace is not less in respect of the wonder than to deliver from a furnace. For how can it be otherwise than astonishing for the Emperor of the world, with so many arms around him, and legions, and generals, and viceroys, and consuls, and land and sea subject to his sway, to be despised by captive children; for the bound to overcome the binder and conquer all that army? Neither was there any power in the king and his company to do what they would, no, not even with the furnaces for an ally. But they who were naked, and slaves, and strangers, and few, (for what number could be more contemptible than three?) being in chains, vanquished an innumerable army. For already now was death despised, since Christ was henceforth about to sojourn in the world. And as when the sun is on the point of rising, even before his rays appear the light of the day grows bright; so also when then the Sun of Righteousness was about to come, death henceforth began to withdraw himself. What could be more splendid than that theatre? What more conspicuous than that victory? What more signal than those new trophies of theirs?
The same thing is done in our time also. Even now is there a king of the Babylonish furnace, even now he kindles a flame fiercer than that. There is even now such an image, and one who gives command to admire it. At his side are satraps and soldiers and bewitching music. And many gaze in admiration upon this image, so varied, so great. For somewhat of the same kind of thing as that image is covetousness, which does not despise even iron, but unlike as the materials are whereof it is composed, it gives command to admire all, both brass and iron, and things much more ordinary than they.
But as these things are, so also even now are there some who are emulous of these children: who say, “your gods we serve not, and your images we worship not;” but both the furnace of poverty we endure and all other distress, for the sake of God's laws. And the wealthy for their part, even as those at that time, oftentimes, worship this image too and are burnt. But those who possess nothing despite even this, and although in poverty, are more in the dew than those who live in affluence. Even as at that time they who cast into the fire were burnt up; but those in the midst of it found themselves in dew as it were rain. Then also that tyrant was more burnt up with the flame, his wrath kindling him violently, than those children. As to them, the fire had no power even to touch the ends of their hair: but more fiercely than that fire did wrath burn up his mind. For consider what a thing it was that with so many to look on, he should be scorned by captive children. And it was a sign that his taking their city also had not been through his own might, but by reason of the sin of the multitude among them. Since if he had not the power to overcome these men in chains, and that when they were cast into a furnace, how could he have overcome the Jews in regular warfare, had they been all such as these? From which it is plain that the sins of the multitude betrayed the city.
6. But mark also the children's freedom from vain-glory. For they did not leap into the furnace, but they kept beforehand the commandment of Christ where he says, “Pray that you enter not into temptation.” Neither did they shrink when they were brought to it; but stood in the midst nobly, neither contending without a summons, nor yet when summoned playing the coward: but ready for everything, and noble, and full of all boldness of speech.
Source: Homilies on First Corinthians (New Advent)