For many Christians, we find our idea of heaven to be so distant and abstract that if we are honest, we just don't spend much time thinking about it. But if we are pilgrims on a journey to our true home, then the picture of heaven that we carry with us is one of the most defining things about us. And indeed, what we think about when we picture the end of our journey will in many ways determine whether we keep putting one foot in front of the other or not.