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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:20:62 –

So they disputed over their affair among themselves and concealed their private conversation.  

So they disputed their matter among themselves, regarding Moses and his brother, and kept secret their private counsel, that is, their conversation regarding the two,
القرآن:٢٠:٦٢ –

فَتَنَازَعُوا أَمْرَهُمْ بَيْنَهُمْ وَأَسَرُّوا النَّجْوَىٰ  

{فتنازعوا أمرهم بينهم} في موسى وأخيه {وأسرُّوا النجوى} أي الكلام بينهم فيهما.