﴿ﻣَﺜَﻞُ ﺍﻟَّﺬِﻳﻦَ ﻳُﻨﻔِﻘُﻮﻥَ ﺃَﻣْﻮَﺍﻟَﻬُﻢْ ﻓِﻲ ﺳَﺒِﻴﻞِ ﺍﻟﻠَّﻪِ ﻛَﻤَﺜَﻞِ ﺣَﺒَّﺔٍ ﺃَﻧْﺒَﺘَﺖْ ﺳَﺒْﻊَ ﺳَﻨَﺎﺑِﻞَ ﻓِﻲ ﻛُﻞِّ ﺳُﻨْﺒُﻠَﺔٍ ﻣِﺎﺋَﺔُ ﺣَﺒَّﺔٍ ﻭَﺍﻟﻠَّﻪُ ﻳُﻀَﺎﻋِﻒُ ﻟِﻤَﻦْ ﻳَﺸَﺎﺀُ ﻭَﺍﻟﻠَّﻪُ ﻭَﺍﺳِﻊٌ ﻋَﻠِﻴﻢٌ‏( البقرة 261 )

The parable of those who spend
of their substance in the way of Allah
is that of a grain of corn:it grows seven ears, and each ear has a hundred grains.Allah gives manifold increase to whom He pleases;And Allah cares for all and He knows all things...Al baqarah(2:261)