I add: He has also declared, in his celebrated Nuniyyah—whose opening verses run:
“Gray hairs have settled upon my forelock, showing me
how much of life has ebbed while time kept me its debtor. (1)
I am Hanbali for as long as I live; and if I should die,
that is the charge I leave to my brethren. (2)
His religion is my religion, and my religion is his;
never was I a tag-along who juggles two faiths. (3)”
Ibn Tahir went on: “I heard Abu Ismaʿil say: ‘I once set out to visit the Sufi master Abu al-Hasan al-Kharaqani, but then decided to turn back. It occurred to me instead to travel to al-Rayy and meet the hadith scholar Abu Hatim ibn Khamush. He was the leading champion of the Sunnah in al-Rayy. When Sultan Mahmud ibn Subuktigin entered the city and executed the Batini sect, he forbade everyone to preach except Abu Hatim. Anyone entering al-Rayy had to present his creed to him; if he approved, he gave the man permission to address the people, and if not, he barred him.’
‘As I drew near al-Rayy,’ he continued, ‘a local man was traveling with me. He asked about my legal school, and I replied, “Hanbali.” He exclaimed, “A school I have never heard of—this is an innovation!” He seized my cloak and said, “I will not leave you until we go to Shaykh Abu Hatim.”
I said, “As you wish. (4)” So he took me to the shaykh’s house, and he was granted that…’