The Book of Zakat (Kitab Al-Zakat)
Muslim :: Book 5 : Hadith 2221
Mundhir b. Jarir narrated on the authority of his father: When we were sitting in the company of the Apostle of Allah (may peace be upon him). There came people dressed in striped woollen clothes, and the rest of the hadith in the same, and there (it is also mentioned):" He observed the Zuhr prayer and then climbed up a small pulpit, praised Allah, lauded Him, and then said: Verily Allah in His Book has revealed: 'O people, fear your Lord, ' etc." (iv. 1).