Sunan At-Tirmidhi

Thawban narrated that the Messenger of Allah said:""The most virtuous of the Dinar is the Dinar spent by a man on his dependants, and the Dinar spent by a man on his beast in the Cause of Allah, and the Dinar spent by a man on his companions in the Cause of Allah."" Abu Qilabah (one of the narrators) said: "" He began with the dependants."" Then he said: ""And which man is greater in reward than a man who spends upon his depandants, having little ones by which Allah causes him to abstain (from the unlawful) and by which Allah enriches him