Chapter On Prohibition on Saying How is Allah (al-Kayfiyyah)

2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ibn Abi ‘Umayr from ’Abd al-Rahman ibn al-Hajjaj from Sulayman ibn Khalid from Imam abu ‘Abdallah عليه السلام, who has said the following. “The words of Allah, the Majestic, the Glorious, that say, ‘And that the final end is unto thy Lord.” (53:42) instructs people to end a discussion that would take up Allah’s self as an object of investigation.”