Obadiah, Chapter 12
Quick Answer
This is Obadiah, chapter 12, a sacred text in the Christianity tradition. You can read it here verse by verse for free, listen to it read aloud, and follow cross-references that connect its themes to other traditions.
12
But thou shouldest not have looked on the day of thy brother in the day that he became a stranger; neither shouldest thou have rejoiced over the children of Judah in the day of their destruction; neither shouldest thou have spoken proudly in the day of distress.