—namely through his book(1) in which he set himself up as a challenger to the Quran, titling it The Sections and the Ultimate Aims in Imitation of the Surahs(2) and the Verses.
Ghars al-Niʿmah, Muḥammad ibn Hilāl ibn al-Muḥassin(3), said: “He has an abundance of poetry and vast learning, yet he is charged with unbelief; his own poems point to what he is suspected of.(4) He never ate meat, eggs, or dairy; he confined himself to plants, deemed it unlawful to injure any living creature, and made a show of perpetual fasting.
“He added: ‘We shall quote some of the verses for which he was reproached; among them are:(5)
The hoped-for conjunction of Jupiter with Saturn
is sought to rouse dull eyes from their torpor.
People have passed away, generation after generation,
while the stars remain exactly as you see them.
The bearer of the Torah, Moses, stepped forth
and brought ruin upon all who forged it.
Some of his men declared, “A revelation has reached him,”(6)
while others retorted, “No, he invented it.”
My pilgrimage(7) is not to a house of stone—
wine-cups are drunk upon its lofty heights!
When the sage(8) returns to his full reason,
he makes light of the sects and holds them in contempt.’”