Jerome

LXX: In light, your javelins shall go forth, in the splendor of the flashing of your armor. The javelins of God, that is, the arrows going and advancing, are not sent for the purpose of killing, but for the purpose of illuminating. In distinction to these arrows and javelins, Christ is called the chosen javelin by Isaiah proclaiming: He has made me as a chosen javelin and has hidden me in his quiver, and he said to me: This is great for you, to be called my servant (Isaiah 49:2-3). …

Commentary on Habakkuk ↗

Gregory the Dialogist

Concerning this glory of His Ascension, Habakkuk also says, "The sun was lifted up, and the moon stood in its order." For who is designated by the name of sun except the Lord, and who by the name of moon except the Church? For until the Lord ascended to heaven, His holy Church utterly feared the adversities of the world; but after it was strengthened by His Ascension, it openly preached what it secretly believed. …

Forty Gospel Homilies, Homily 29 ↗

Bede

In light, your arrows will go forth, in the brightness of the splendor of arms. The arrows of Christ, however, are his words, by which the hearts of men are pierced, so that with the wound of salvation inflicted, the faithful soul may say: "I am wounded with love." Certainly, these arrows go forth in light, because through the ministry of teachers, the words of truth became known openly to the world, according to what the same Truth commanded them, saying: "What I tell you in darkness, speak in the light; and what you hear whispered, …

Commentary on the Song of Habakkuk ↗