Uṣūl al-Diyānah. His companions relate that it was the last work he composed, and it is the text they rely on when defending him against those who criticize him. He said:

“Section: A Clarification of the Creed of the People of Truth and the Sunnah.”

If someone were to say, “You have rejected the doctrine of the Muʿtazilah and the Qadariyyah,”