Arabic (Original)
وَقَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ قَامَ لَيْلَةَ الْقَدْرِ إِيمَانًا وَاحْتِسَابًا فَإِنَّهُ يُغْفَرُ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ قَالَ عَفَّانُ وَحَدَّثَنَا أَبَانُ فِي هَذَا الْإِسْنَادِ بِمِثْلِهِ.
English Translation
And the Messenger of Allah (peace be upon him) said: "Whoever stands in prayer on the Night of Decree (Laylat al-Qadr) out of faith and seeking reward, his previous sins will be forgiven." 'Affan said: And Aban narrated to us with this same chain of narration, similarly.