The Holy Quran puts it very beautifully with regard to alms-giving/charity/donation - "The example of those who spend their wealth in the way of Allāh is like a seed [of grain] which grows seven spikes; in each spike is a hundred grains. And Allāh multiplies [His reward] for whom He wills. And Allāh is all-Encompassing and Knowing." — Saheeh International (https://quran.com/2/261?translations=17,18,19,20,21,22,23,25,31,32,33,34,39,52,75,77,27,95,84,38,101)