The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَقُولُ " رَبَّنَا آتِنَا فِي الدُّنْيَا حَسَنَةً وَفِي الآخِرَةِ حَسَنَةً وَقِنَا عَذَابَ النَّارِ " .Anas reported that Allah's Messenger (ﷺ) used to supplicate (in these words):" Our Lord, grant us the good in this world and the good in the Hereafter and save us from the torment of Hell Fire
From Sahih Muslim, whose reports the scholars accept as authentic.