"A vow does not bring anything to the son of Adam that has not been decreed for him. It is just a means of taking wealth from the miserly."
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَأْتِي النَّذْرُ عَلَى ابْنِ آدَمَ شَيْئًا لَمْ يُقَدِّرْهُ عَلَيْهِ وَلَكِنَّهُ شَىْءٌ يُسْتَخْرَجُ بِهِ مِنَ الْبَخِيلِ