Al-Kāfi
Hadith 181ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ هِشَامِ بْنِ سَالِمٍ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ قُلْتُ فِطْرَتَ الله الَّتِي فَطَرَ النَّاسَ عَلَيْها قَالَ التَّوْحِيدُ.
1. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hisham ibn Salim from Abu ‘Abdillah (a.s.) who has said the following: “I asked ( the Imam) about the words of Allah, ‘. . . the invention of Allah (had a certain) nature with which He created all people. . . .’ (30:30) The Imam (a.s.) said, ‘It (invention, Fitrat) refers to belief in Oneness of Allah (belief in Allah only is placed in their nature).”’