Sahih Muslim
Sahih Muslim Book 019, Hadith Number 4300.
Hadith Section/Book: Sahih Muslim Sahih Muslim Book 19. Jihad and Expedition
Chapter : Command to show leniency and to avoid creating aversion (towards religion).
The Messenger of Allah (may peace he upon him) has been reported by Anas b. Malik to have said: Show leniency; do not be hard; give solace and do not create aversion.