Not Ultimate, But Important
I made a case in my blog on 'Lion King' that this world is NOT ultimate and that as Christians, for us the next world is the ultimate one. This is true, but this does not mean that this world isn't important. This world is important because Jesus Christ inaugurated the Kingdom of God in this world and we are a part of the Kingdom of God. In this 'Kingdom of God', each of us human beings have an important part to play and we need to fulfill that role.
As I noted in an earlier blog about Horses and Christians, Christians need to go out into the world and start building hospitals and corporations and orphanages and make good movies, paint beautiful paintings etc... But all of this apart, the most important goal for Christian living is to be conformed to the Image of Christ. Whether you are building a hospital or a corporation or orphanages or good movies, or great paintings, the Holy Spirit is working in you to conform you to the image of Christ and that is what truly determines success in life, this is why this life though isn't ultimate, is important nevertheless.