The important thing isn't the house. It's the ability to make it. You carry that in your brains and in your hands, wherever you go... It's one thing to carry your life wherever you go. Another thing to always go looking for it somewhere else.
Science has sometimes been said to be opposed to faith, and inconsistent with it. But all science, in fact, rests on a basis of faith, for it assumes the permanence and uniformity of natural laws - a thing which can never be demonstrated.