ENOfficial
Ibn Hibban also reported the above Hadith with the version: “Let him say in his heart...”
Source: sunnah.com
Other translations
Arabic
وَأَخْرَجَهُ اِبْنُ حِبَّانَ بِلَفْظِ: { فَلْيَقُلْ فِي نَفْسِهِ } 1 .
sunnah.com
Bulugh al-Maram
Book 1Hadith Number 86