Supposing then we were exiles in a foreign land, and could only live happily in our own country, and that being unhappy in exile we longed to put an end to our unhappiness and to return to our own country, we would of course need land vehicles or sea-going vessels, which we would have to make use of in order to be able to reach our own country, where we could find true enjoyment. And then suppose we were delighted with the pleasures of the journey, and with the very experience of being conveyed in