In the name of God, Most Gracious, Most Merciful
Peace be upon you,
Research in psychology shows that giving to charity makes us happier. Charity is mentioned very early in the Quran as one of the traits of the believers. God encourages charities for the growth and purification of our souls. Charity we give is to please God, and for the benefit of our own souls (Quran 2:261, 2:272).
The Best Investment
[Quran 2:261] The example of those who spend their monies in the cause of GOD is that of a grain that produces seven spikes, with a hundred grains in each spike. GOD multiplies this manifold for whomever He wills. GOD is Bounteous, Knower.
Investments in this world do not return a yield of over 700 times and more (equivalent to 70,000%). That’s what God promises us in 2:261. All praise be to God. Our worship, our prayers and our charities are only for the sake of God.
[Quran 76:8-9] They donate their favorite food to the poor, the orphan, and the captive. "We feed you for the sake of GOD; we expect no reward from you, nor thanks.