"My grandparents used to pray five times a day, but they were quiet about their own thing. Completely..." — Mohsin Hamid

I studied about the internment of Japanese Americans during the Second World War and about how the Constitution was written by men, many of whom were slave owners. So I suppose the travel ban strikes me as coming from an era I thought we'd left behind, but I guess we haven't entirely left it behind.

Like many of my friends in the Pakistani diaspora - and many of my friends in Pakistan itself, for that matter - I have sometimes looked at the country of my birth and wondered whether its future will be one of steady and sad decline.

Over time, our inescapable, systemic, fundamentally human impurity gives us the capacity to do what has not been done before: to make creative leaps in our biology, in the diseases we can resist and the foods we can digest. And in our thinking and culture and politics, too.

Part of the reason people abroad resent the United States is something Americans can do very little about: envy. The richest, most powerful country in the world attracts the jealousy of others in much the same way that the richest, most powerful man in a small town attracts the jealousy of others.