At some point you can't lift this boulder with just your own strength. And if you find that you need to move bigger and bigger boulders up hills you will need more and more help.

There is only one home to the life of a river-mussel there is only one home to the life of a tortoise there is only one shell to the soul of man: there is only one world to the spirit of our race. If that world leaves its course and smashes on boulders of the great void whose world will give us shelter?