Jami` at-Tirmidhi 1616
جامع الترمذي#1616Sahihحَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا أَبُو عَامِرٍ الْعَقَدِيُّ، عَنْ حَمَّادِ بْنِ سَلَمَةَ، عَنْ حُمَيْدٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يُعْجِبُهُ إِذَا خَرَجَ لِحَاجَةٍ أَنْ يَسْمَعَ يَا رَاشِدُ يَا نَجِيحُ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ صَحِيحٌ .
Narrated Anas bin Malik: That the Prophet (ﷺ) used to like it when he set out upon an affair if he heard: "O directed one, O successful one." [Abu 'Eisa said:] This Hadith is Hasan Sahih Gharib
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 21:79