The Chapter on Obligatory Prayers
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 30
وَقَالَ سُلَيْمَانُ بْنُ خَالِدٍ لِلصَّادِقِ عَلَيْهِ اَلسَّلاَمُ: جُعِلْتُ فِدَاكَ أَخْبِرْنِي عَنِ اَلْفَرَائِضِ اَلَّتِي فَرَضَ اَللَّهُ عَزَّ وَ جَلَّ عَلَى اَلْعِبَادِ مَا هِيَ قَالَ «شَهَادَةُ أَنْ لاَ إِلَهَ إِلاَّ اَللَّهُ وَ أَنَّ مُحَمَّداً رَسُولُ اَللَّهِ وَ إِقَامُ اَلصَّلَوَاتِ اَلْخَمْسِ وَ إِيتَاءُ اَلزَّكَاةِ وَ حِجُّ اَلْبَيْتِ وَ صِيَامُ شَهْرِ رَمَضَانَ وَ اَلْوَلاَيَةُ فَمَنْ أَقَامَهُنَّ وَ سَدَّدَ وَ قَارَبَ وَ اِجْتَنَبَ كُلَّ مُنْكَرٍ دَخَلَ اَلْجَنَّةَ.
Sulayman ibn Khalid said to Imam Jafar ibn Muhammad Al-Sadiq عليه السلام: "May I be your ransom! Inform me about the obligations that Allah سبحانه وتعالى, the Mighty and Majestic, has imposed upon the servants." Imam عليه السلام replied: "Testifying that there is no god but Allah سبحانه وتعالى and that Muhammad is the Messenger of Allah صلى الله عليه وعلى آله وسلم, establishing the five daily prayers, giving zakat, performing the pilgrimage to the House (Kaaba), fasting during the month of Ramadan, and (accepting) the wilayah (divinely ordained leadership of the Imams). Whoever fulfils these and strives to do good, draws close (to what is right), and avoids all that is forbidden will enter Paradise."
- Ṣaḥīḥ al-Faqīh, p. 33