I read Gide's 'The Immoralist' over and over as a teenager. I was obsessed with it. It's written with such simplicity and dread, and the desert, the shabby colonial world, is brought right into your consciousness without being over-explained.
Military history is essential to understanding any history and, moreover, is a terrifying and sobering study in the realities of human nature - for yes, to me, such a thing exists, and history indeed proves it.
Many travelers get into trouble in places like Dubai by assuming that it is sufficiently Western for them to drink as they do back home. But elsewhere in the Muslim world, it is quite controlled, and the non-Muslim will be steered down a fairly narrow path.
I'll wager there isn't a human being on earth who doesn't believe in luck, however rational they pretend to be in public life. In reality, most of human life is luck - and, of course, its darker, more prevalent opposite. One only has to live long enough to experience both.