Every time you buy tickets on Ticketmaster, you help to digitize a book.

The question that motivates my research is, if we can put a man on the Moon with 100,000 [people], what can we do with 100 million?

My ultimate research goal is to transform our human existence to just eating, sleeping, drinking, playing - nevermind.

I co-founded Duolingo with the mission of bringing free language education to the world.

People are good at figuring out what's attractive, and computers are good at quickly searching and finding. You put them together, and bang!

I am always able to keep a laser focus on one thing at a time without getting distracted. It helps that I try to break everything I do into small, achievable tasks.

One fact we're particularly proud of is that there are more people learning languages on Duolingo in the US than there are people learning languages in the entire US public school system.

I usually make to-do lists with timelines, and pen and paper does the trick for me.

Because education is such a broad area, I chose to focus on language learning.

[Captchas] are not only annoying, but they kill 10 seconds of your time.

I finished reading High Output Management by Andrew Grove, which had such valuable insights for leaders that I've been forcing managers at Duolingo to read the book.

Non-fiction is to theory as fiction is to experience.

I don't get writers block. I get writer has too many ideas and doesn't know which one to start next, block.

The moment after being let go, when we can finally let it go, is the moment when love once again has hope.

Maybe there is some Abnegation in everyone. Well in everyone but Peter."-Tris Prior

Even when I was young and content and thought life would bring good things for me and mine, I didn't believe in miracles.

Ask any man what nationality he would prefer to be, and ninety nine out of a hundred will tell you that they would prefer to be Englishmen

The first qualification for success in my view is a strong work ethic.

In general, any form of exercise, if pursued continuously, will help train us in perseverance. Long-distance running is particularly good training in perseverance.

There is no limit to your creative power.

Hunting, fishing, and trapping is literally perfect. It's the perfect system by which to balance and ground the animal populations for next year's productivity.