It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
"Allah (SWT) has been charitable with you over the disposal of one third of your wealth at the time of your death, so that you may be able to add to the record of your good deeds."
English reference: Vol. 3, Book 22, Hadith 2709
Arabic reference: Book 22, Hadith 2813