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

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.

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.

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.

To be a child means to owe one's existence to another, and even in our adult life we never quite reach the point where we no longer have to give thanks for being the person we are.

A formal education will teach you how to conform with society. Self-education will teach you how to get out of conformity so that you can fill your life with adventure and beauty.

Maybe you’re not so bad after all.’He leant across the seat, jabbing his finger in the air. ‘If you tell anyone, I’ll deny it. I have a reputation to uphold, you know.

One by one, the electric lights ringing the lawn were ignited. Each one, as it burst into brilliance, erased a constellation from the evening sky.

Where there is love, there is bound to be heartache.

Everything the human being heard from the beginning, saw with its eyes, looked upon and touched with its hands was a living word; for God was the word.

I have a love factor with the minorities.

Forgive and give as if it were your last opportunity.

We must have life building, man-making, character-making assimilation of ideas.