One wants never to give up this crystalline perspective. One wants to keep counterpositioning home with what one knows of alternative realities, as they exist in Tunis or Hyderabad. One wants never to forget that nothing here is normal, that the streets are different in Wisebaden, and Louyang, that this is just one of many possible worlds.

Instead of bringing back 1600 plants, we might return from our journeys with a collection of small unfêted but life-enhancing thoughts.

We need a home in the psychological sense as much as we need one in the physical: to compensate for a vulnerability. We need a refuge to shore up our states of mind, because so much of the world is opposed to our allegiances. We need our rooms to align us to desirable versions of ourselves and to keep alive the important, evanescent sides of us.

It is not necessarily at home that we best encounter our true selves. The furniture insists that we cannot change because it does not; the domestic setting keeps us tethered to the person we are in ordinary life, who may not be who we essentially are.

All tours are filled with humiliation. My publisher once hired a private jet to fly me to a venue where 1,000 people were waiting. It almost bankrupted him.

Blind impatience is equally evident in the fruit section. Our ancestors might have delighted in the occasional handful of berries found on the underside of a bush in late summer, viewing it as a sign of the unexpected munificence of a divine creator, but we became modern when we gave up on awaiting sporadic gifts from above and sought to render any pleasing sensation immediately and repeatedly available.

[T]he unsympathetic assessments we make of others are usually the result of nothing more sinister than our habit of looking at them in the wrong way, through lenses clouded by distraction, exhaustion and fear, which blind us to the fact that they are really, despite a thousand differences, just altered versions of ourselves: fellow fragile, uncertain, flawed beings likewise craving love and in urgent need of forgiveness.