According to author Frank Peretti, "A fixed point of reference for human beings is always something that is found outside themselves. It has to be something to which we can always come back. If we try to haul our point of reference around with us, we have lost it because it has been moved and we can never refer back to it." He tells a story of being in a dark room with only a chair. As long as the chair stays put, it can be used as a point of reference. If it gets picked up and carried around, it no longer serves that function, because it isn