But do not gloat over the day of your brother in the day of his misfortune; do not rejoice over the people of Judah in the day of their ruin; do not boast in the day of distress.
The Prophet enumerates here the kinds of cruelty which the Idumeans exercised towards the Church of God, the children of Abraham, their own kindred. But he speaks by way of prohibition; it is then a personification, by which the Prophet introduces God as the speaker, as though he taught and admonished them on the duties of human kindness.
Edom stands convicted and condemned for one crime above all: violence against their brother Jacob. This ancient grudge against God's own people fills their measure; injuries to His people are affronts to God Himself, and He will take vengeance.
AI summary
Commenting on Obadiah 1:10-16
But thou shouldest not have looked on the day of thy brother,.... The day of his calamity, distress, and destruction, as afterwards explained; that is, with delight and satisfaction, as pleased with it, and rejoicing at it; but rather should have grieved and mourned, and as fearing their turn would be next: or, "do not look" (t); so some read it in the imperative, and...