"سَأَلْتُهُ عَنِ الصَّلَاةِ فِي شَهْرِ رَمَضَانَ، فَقَالَ: ثَلَاثَ عَشْرَةَ رَكْعَةً، مِنْهَا الْوِتْرُ وَرَكْعَتَانِ قَبْلَ صَلَاةِ الْفَجْرِ، وَلَوْ كَانَ فَضْلًا كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ أَعْمَلَ بِهِ وَأَحَقَّ".
"I asked Abu Abdullah (as) about the prayer during the Month of Ramadan. Imam (as) said: 'Thirteen rak'ahs, including the witr prayer and two rak'ahs before the Fajr prayer. If there were any additional merit, the Messenger of Allah (swt) (peace be upon him and his family) would have been more diligent in performing it