سورة Al-Furqan 25:28

يَـٰوَيْلَتَىٰ لَيْتَنِى لَمْ أَتَّخِذْ فُلَانًا خَلِيلًۭا ٢٨

Woe to me! I wish I had never taken so-and-so as a close friend