Isra'il bin Yonus bin Abi Ishaq إسرائيل بن يونس بن أبي إسحاق · The Book of Adornment

"The Messenger of Allah forbade Al-Qaza' (to shave part of the head and leave part)."

"I heard Ibn 'Umar say: 'The Messenger of Allah forbade wearing gold unless it is broken (into smaller pieces).'"

"The Messenger of Allah forbade me (from wearing) garments dyed with safflower, and from gold rings, and from wearing Al-Qassi, and that I recite Qur'an while I am bowing."

"Muhammad said: 'Whoever wears silk in this world, will not wear it in the Hereafter.'"