People who don't travel cannot have a global view all they see is what's in front of them. Those people cannot accept new things because all they know is where they live.
All travel has its advantages. If the passenger visits better countries he may learn to improve his own. And if fortune carries him to worse he may learn to enjoy it.
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Dealing with global warming doesn't mean we have all got to suddenly stop breathing. Dealing with global warming means that we have to stop waste and if you travel for no reason whatsoever that is a waste.
