Frequent commerce with the world can be an astonishing source of light for a man’s judgement. We are all cramped and confined inside ourselves: we can see no further than the end of our noses. When they asked Socrates where he came from he did not say ‘From Athens’, but ‘From the world’. He, whose thoughts were fuller and wider, embraced the universal world as his City, scattered his acquaintances, his fellowship and his affections throughout the whole human race, not as we do who only look at what lies right in front of us.
~ Montaigne, The Complete Essays (1587-88)