John Chrysostom

"In nothing be anxious." If ye are kindly affected toward those who prepare evil against you, yet it shall not at last turn out to their profit. Already the recompense is at hand, if poverty, if death, if aught else that is terrible be upon you. "But in everything, by prayer and supplication, with thanksgiving, let your requests be made known unto God." There is this for one consolation, "the Lord is at hand." And again, "I will be with you alway, even unto the end of the world." (Matt. xxviii. …

Homily on Philippians 14 ↗

Theophylact of Ohrid

And you envy the fact that they live in pleasure and insult you, while you are in sorrow. "The Lord is near," the judgment has already come; do not worry about anything: neither about the insult on their part, nor about your sorrow. Because they will give an answer to the Lord, and you will remain in peace. Here is yet another consolation, namely, constant prayer, in every circumstance, and moreover with thanksgiving. …

Commentary on Philippians ↗

Thomas Aquinas

Then when he says, have no anxiety, he shows that our minds should be at rest: first, that anxiety is uncalled for; secondly, what should take its place in our mind (4:6b). It was fitting to add have no anxiety after saying that the Lord is at hand. As if to say: He will grant everything; hence there is no need to be anxious: "Do not be anxious about your life, what you shall eat or what you shall drink, nor about your body, what you shall put on" (Mt. 6:25). …

Commentary on Philippians ↗