Narrated Ibn 'Umar (RA):

The Prophet (ﷺ) forbade making vows, and said, "It does not bring good. Indeed, it is only a means by which something is extracted from the miserly." [Agreed upon].

وَعَنْ اِبْنِ عُمَرَ رَضِيَ اَللَّهُ عَنْهُمَا, { عَنْ اَلنَّبِيِّ ‏- صلى الله عليه وسلم ‏-أَنَّهُ نَهَى عَنْ اَلنَّذْرِ وَقَالَ:

إِنَّهُ لَا يَأْتِي بِخَيْرٍ وَإِنَّمَا يُسْتَخْرَجُ بِهِ مِنْ اَلْبَخِيلِ

} مُتَّفَقٌ عَلَيْهِ [1]‏ .‏