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

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.

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

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.

You cannot control what other people do, only how you react to it.

In the depth of deep sadness, I was able to appreciate the beauty of life.

Love is all we need.

It's cool to be recognised by your peers.

Everything is a learning process: any time you fall over, it's just teaching you to stand up the next time.

The brain is the hardest part of the body to adjust in asanas.

Get keep right people.

One of the weird things about L.A. is that there's always a set of negative perceptions that attaches itself to this city.

Only a literary work that reveals an unknown fragment of human existence has a reason for being.

Despite what some would have us believe, success is not built on resentment and fear.