Yahya bin Sa'id al-Ansari يحيى بن سعيد الأنصاري · The Book of Adornment

The Prophet forbade Al-Qaza' (shaving part of the head and leaving part).

"I came to Abu Hashim bin 'Utbah when he was suffering the plague, and Mu'awiyah came to visit him. Abu Hashim wept. Mu'awiyah said to him: 'Why are you weeping? Is it because of some pain that is hurting you, or is it for this world, the best of which has gone?' He said: 'Neither, but the Messenger of Allah gave me some advice, which I wish that I had followed. He said: "Perhaps you will live to see wealth…