The Book of Zakat (Kitab Al-Zakat)

Muslim :: Book 5 : Hadith 2244

Asma' reported Allah's Messenger (way peace be upon him) as saying (to her): Spend and do not calculate, (for) Allah would calculate in your case; and do not hoard, otherwise Allah would be withholding from you.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star