"The word they use in Greece is philoxenia, ‘love of strangers’. It takes a lot to craft that sort of hospitality; in some cases, when you suffer from a lack of trust, it must be close to impossible. But for myself at least, I’ve come to think that such relationships are at the heart of a good life. For me they are close to the highest priority."In a motionless train, I contemplate more stories of those who have travelled here and there on the Earth. Some have learned, some have given, and some have taken -- far too much.