I wish I knew more about Clojure, which is the programming language we use most at Nubank. If I did, I could better understand some of the more complex problems we're trying to solve, and I think I could ask better questions when we're setting priorities. I'd like to be able to communicate at that level with the technical side of our team, and I think they would appreciate it, too.

The good part of aging is that you read more and more. You discover poets you never heard of when you were younger.

I think a very big curiosity. I’m very curious and I like to understand things and not only science but also other things where I just try to find out why things work or how things work. Science and nature caught my attention as a small child already. I was growing up in a city but we had a garden and I loved the garden and then often on vacation I was at a farm and I loved these animals and plants and so on, so I was attracted very early on and then we had a very good teaching actually at my … I don’t know whether my teachers really had much of a role because I was determined very early, but then I also did music and I did languages and Literature and so on. I have broad interests actually other than science, but this is really true, this curiosity.

Knowledge is good for life. Life is what you play off for acting.

Saying something dumb on Twitter and getting yelled at by thousands of strangers. Also, catastrophic climate change.

I think part of the meaning of life is actually the search for the meaning of life. That may sound glib, but I truly believe it. Curiosity and looking for the meaning—even if we never find it—is the meaning.

I was the answer to one across in the Dec. 26, 2017, New York Times crossword puzzle.

Being willing to listen to my ideas and tell me when they are good and when they are dumb.

I like to watch Netflix on double-speed. My wife says it ruins movies, but I love being able to watch twice as many movies in the same amount of time. And sometimes it doesn’t even feel rushed. I recently watched “Manchester by the Sea” on double-speed. I kind of wanted triple-speed for that one. I can’t imagine watching that in normal time.

Well, I’m in the midst of writing 1,000 handwritten, personalized thank you notes to readers of my books. It’s simultaneously a major pain in the butt — it’s taking me several weeks — and also delightful. I feel like I’m getting to know the readers of my books, which is great, since writers often have a solitary existence.