Mishkat al-Masabih 23 Medicine and Spells كتاب الطب والرقى 71

وَعَنْ أَنَسٍ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ يُعْجِبُهُ إِذَا خَرَجَ لِحَاجَةٍ أَنْ يَسْمَعَ: يَا رَاشِدُ يَا نَجِيحُ. رَوَاهُ التِّرْمِذِيُّ

Anas told that when the Prophet went out to attend to some business he was delighted to hear someone say, “O rightly guided one! O successful one!” Tirmidhi transmitted it.