Ever think your work does not matter? Consider this thoughtful response by N. T. Wright.
How does one’s work fit into the overlap of Heaven and earth?
If it is true that we are indwelt by the Holy Spirit, then each Christian is a place where Heaven and earth overlap. C. S. Lewis said, “Next to the blessed sacrament, your Christian neighbor is the holiest object ever presented to your senses.” In Christians, the true Christ should be truly present. From that point of view, what you do as a Christian should embody that overlap of Heaven and earth. But we often think of Heaven in such grandiose terms, often platonic terms, and we just see that Heaven and earth are meant to go together. They were put together in the first place in Genesis 1 in the garden.
You can read the entire interview here.