A man came to the Prophet ﷺ and said: I vowed to sacrifice my she-camel and to do such and such. He said: ʿAs for your she camel, sacrifice it. But as for such and such, it is from the Shaitan.ʿ
جَاءَ رَجُلٌ إِلَى النَّبِيِّ ﷺ فَقَالَ إِنِّي نَذَرْتُ أَنْ أَنْحَرَ نَاقَتِي وَكَيْتَ وَكَيْتَ قَالَ أَمَّا نَاقَتُكَ فَانْحَرْهَا وَأَمَّا كَيْتَ وَكَيْتَ فَمِنَ الشَّيْطَانِ