Many of the great family fortunes if the world are characterized by generosity and altruism. It seems that the more of your wealth you give out, without let anyone knowing about it and also with no expectations returning of nothing, the more you activate the powers of the universe to work on your behalf.
To be candid the one that benefit most from act if kindness and generosity to people is always someone who we called the giver and not the receiver. When you give and show people generously of yourself and change the kind of person you're inside, that means you are transforming the inner aspects of your mind.
What you have done is creation of new mental equivalent that is more persistent with the feeling of utility, joy, and success you want. You become a truly lucky person.