> I have a funny feeling we won't learn to treasure our own planet until we find out how much work it is to live on another. Optimistic! I have a feeling we wo

> I have a funny feeling we won't learn to treasure our own planet until we find out how much work it is to live on another. Optimistic! I have a feeling we won't learn to treasure our own planet until we fail to reach another. The problems here are simply too massive for us to coordinate spreading to other places.