Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
muslim:1623gIbn Numayr from my father > Ismāʿīl > al-Shaʿbī > al-Nuʿmān b. Bashīr

Have you, besides him, other sons? He said: Yes. Thereupon he (the Holy Prophet) said: Have you given gifts to all of them like this (as you have given to Nu'man)? He said: No. Thereupon he (the Holy Prophet) said: I cannot bear witness to an injustice.  

مسلم:١٦٢٣gحَدَّثَنَا ابْنُ نُمَيْرٍ حَدَّثَنِي أَبِي حَدَّثَنَا إِسْمَاعِيلُ عَنِ الشَّعْبِيِّ عَنِ النُّعْمَانِ بْنِ بَشِيرٍ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ أَلَكَ بَنُونَ سِوَاهُ قَالَ نَعَمْ قَالَ فَكُلَّهُمْ أَعْطَيْتَ مِثْلَ هَذَا قَالَ لاَ قَالَ فَلاَ أَشْهَدُ عَلَى جَوْرٍ