Muhammad Quote

'Iyad ibn Himar reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "Allah revealed to me that you should be humble so no one should vaunt himself above another, and no one should commit injustice against another."

Riyadh-as-Saliheen by Imam Al-Nawawi, volume 4, hadith number 602 - Sunni Hadith