It wasnarrated from Thawban that the Messenger of Allah (ﷺ) said:
"Thebest Dinar that a man can spend is a Dinar that he spends on hisfamily, a Dinar that he spends on a horse in the cause of Allah, andaDinar that a man spends on his companions in the cause of Allah." (TR)
English reference (TR): Vol. 4, Book 24, Hadith 2760 (TR)
Arabic reference (TR): Book 24, Hadith 2865 (TR)