The witnesses for the gifts

Narrated 'Amir:

I heard An-Nu'man bin Bashir on the pulpit saying, "My father gave me a gift but 'Amra bint Rawaha (my mother) said that she would not agree to it unless he made Allah's Apostle as a witness to it. So, my father went to Allah's Apostle and said, 'I have given a gift to my son from 'Amra bint Rawaha, but she ordered me to make you as a witness to it, O Allah's Apostle!' Allah's Apostle asked, 'Have you given (the like of it) to everyone of your sons?' He replied in the negative. Allah's Apostle ﷺ said, 'Be afraid of Allah, and be just to your children.' My father then returned and took back his gift."

حَدَّثَنَا حَامِدُ بْنُ عُمَرَ، حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ حُصَيْنٍ، عَنْ عَامِرٍ، قَالَ سَمِعْتُ النُّعْمَانَ بْنَ بَشِيرٍ ـ رضى الله عنهما ـ وَهُوَ عَلَى الْمِنْبَرِ يَقُولُ أَعْطَانِي أَبِي عَطِيَّةً، فَقَالَتْ عَمْرَةُ بِنْتُ رَوَاحَةَ لاَ أَرْضَى حَتَّى تُشْهِدَ رَسُولَ اللَّهِ ﷺ. فَأَتَى رَسُولَ اللَّهِ ﷺ فَقَالَ إِنِّي أَعْطَيْتُ ابْنِي مِنْ عَمْرَةَ بِنْتِ رَوَاحَةَ عَطِيَّةً، فَأَمَرَتْنِي أَنْ أُشْهِدَكَ يَا رَسُولَ اللَّهِ. قَالَ " أَعْطَيْتَ سَائِرَ وَلَدِكَ مِثْلَ هَذَا ". قَالَ لاَ. قَالَ " فَاتَّقُوا اللَّهَ، وَاعْدِلُوا بَيْنَ أَوْلاَدِكُمْ ". قَالَ فَرَجَعَ فَرَدَّ عَطِيَّتَهُ.