'Umar said: We were with the Messenger of Allah ﷺ on a journey and a man said: No, by my father. Another man said: “Do not swear by your fathers.ʿ I turned and saw that it was the Messenger of Allah ﷺ.
قَالَقَالَ عُمَرُ كُنَّا مَعَ رَسُولِ اللهِ ﷺ فِي رَكْبٍ فَقَالَ رَجُلٌ لَا وَأَبِي فَقَالَ رَجُلٌ لَا تَحْلِفُوا بِآبَائِكُمْ فَالْتَفَتُّ فَإِذَا هُوَ رَسُولُ اللهِ ﷺ