Sahih Muslim Book 030, Hadith Number 5670.
Hadith Section/Book: Sahih Muslim Sahih Muslim Book 30. The Excellent Qualities Of The Holy Prophet (PBUH) And His Companions
Chapter : The extreme love of Allah's Messenger (may peace be upon him) for his Umma, and his extreme anxiety to warn them against that which is a source of trouble to them.
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: The similitude of mine and that of my Umma is that of a person who lit fire and there began to fall into it insects and moths. And I am there to hold you back, but you plunge into it.