Wanting to Serve

I am 25 year young man. I am married to a great woman that always supports me and is  my backbone, We both want to do something big , we feels like we have come in this world to do great things , we just want to give back so much, sometime I want to serve people as much I can and more, Please advice me to reach to my greatest potential, How can I find my own path and bless this universe with my greatest blessing that I have received from universe.