“May Allah have mercy on those who shave (their heads).” They said: “And those who cut (their hair), O Messenger of Allah!” He said: “May Allah have mercy on those who shave (their heads).” They said: “And those who cut (their hair), O Messenger of Allah!” He said: “May Allah have mercy on those who shave (their heads).” They said: “And those who cut (their hair), O Messenger of Allah!” He said: “And those who cut (their hair).”
Sunan Ibn Majah Book 25, Hadith 163