I worked on a number of projects that were used by millions of people and that also served as inspiration to what we now call "crowd-sourcing."

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.

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

Talking about God is not at all the same thing as experiencing God or acting out God through our lives.

A life I didn't choose chose me: even my tools are the wrong ones for what I have to do.

A red sun rises. Blood has been spilled this night.

No matter what I preach or what we claim to believe in our heads, the future will depend upon our times of prayer.

Arsenal are the most beautiful club in England. At Man City and Chelsea, they will never have that class and style.

I used to be a serious sneaker addict, but I've moved on a little bit from those days.

In the '70s, if anything, it was a more interesting time in fashion. It was a time when things were changing, especially in London.

The four main orientations of Morocco's foreign policy: the Maghreb, the Arab world, Africa and other partners

I think I did not like him [Corey Feldman] in Goonies. He's kind of a similar character in Stand By Me isn't he? Well I liked him in Stand By Me.

The information revolution will lead us through a knowledge revolution to the wisdom revolution.