Jami' at-Tirmidhi
Jami` at-Tirmidhi 3389
حَدَّثَنَا أَبُو سَعِيدٍ الأَشَجُّ، حَدَّثَنَا عُقْبَةُ بْنُ خَالِدٍ، عَنْ أَبِي سَعْدٍ، سَعِيدِ بْنِ الْمَرْزُبَانِ عَنْ أَبِي سَلَمَةَ، عَنْ ثَوْبَانَ، رضى الله عنه قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ قَالَ حِينَ يُمْسِي رَضِيتُ بِاللَّهِ رَبًّا وَبِالإِسْلاَمِ دِينًا وَبِمُحَمَّدٍ نَبِيًّا كَانَ حَقًّا عَلَى اللَّهِ أَنْ يُرْضِيَهُ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ مِنْ هَذَا الْوَجْهِ .
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Abu Sa‘id al-Ashajj narrated to us: ‘Uqbah ibn Khalid narrated to us, from Abu Sa‘d—Sa‘id ibn al-Marzuban—from Abu Salamah, from Thawban (may Allah be pleased with him), who said that the Messenger of Allah said: ‘Whoever, in the evening, says, “I am pleased with Allah as Lord, Islam as religion, and Muhammad as Prophet,” Allah is entitled to make him pleased.’ Abu ‘Isa said: This hadith is hasan gharib by this route.
Notes and open questions — unreviewed
The wording is a statement of being content with Allah, Islam, and Muhammad; the hadith promises that Allah will make the speaker pleased.