Sahih Muslim – Hadith No : 6160

Musa b. Anas reported on the authority of his father: It never happened that Allah’s Messenger (may peace be upon him) was asked anything for the sake of Islam and he did not give that. There came to him a person and he gave him a large flock (of sheep and goats) and he went back to his people and said: My people, embrace Islam, for Muhammad gives so much charity as if he has no fear of want.

Hadith In Arabic Text :

وحدثنا عاصم بن النضر التيمي، حدثنا خالد، – يعني ابن الحارث – حدثنا حميد، عن موسى بن أنس، عن أبيه، قال ما سئل رسول الله صلى الله عليه وسلم على الإسلام شيئا إلا أعطاه – قال – فجاءه رجل فأعطاه غنما بين جبلين فرجع إلى قومه فقال يا قوم أسلموا فإن محمدا يعطي عطاء لا يخشى الفاقة ‏.‏

Chapter : The Book Pertaining to the Excellent Qualities of the Holy Prophet (may Peace be upon them) and His – كتاب الفضائل