"Part of the reason people abroad resent the United States is something Americans can do very little ..." — 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.

My grandparents used to pray five times a day, but they were quiet about their own thing. Completely liberal day by day; my grandmother was a social worker and my grandfather was an engineer, but they never talked about religion. My entire life I couldn't remember one conversation I had with them about religion.

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.