The Book of Zakat (Kitab Al-Zakat)

Muslim :: Book 5 : Hadith 2254

Hakim b. Hizam reported Allah's Messenger (may peace be upon him) having said this: The most excellent Sadaqa or the best of Sadaqa is that after giving which the (giver) remains rich and the upper hand is better than the lower hand, and begin from the members of your household.