If I think something's a waste of time or inappropriate I don't wait to point it out. I say it right away. It's real time. So you might hear me say 'That's the dumbest idea I have ever heard' many times during a meeting.

According to Ethiopian custom, parents wait to name a baby because children often die in the first weeks of life.

Effective philanthropy requires a lot of time and creativity - the same kind of focus and skills that building a business requires.

As you get to the end of the project you want to run all the tests cases against one version and make sure that you know that that version passed everything. And so as you get late in the project you get a little more conservative about making radical changes to the software.

If we can find approaches that meet the needs of the poor in ways that generate profits for business and votes for politicians, we will have found a sustainable way to reduce inequity in the world. This task is open-ended. It can never be finished. But a conscious effort to answer this challenge will change the world.

Certain teams are more careful in what they write. They generate less bugs. You can know that but it still doesn't mean there might be there might not be one bug that would be bad to ship the product with.

This whole phenomenon of the computer in a library is an amazing thing.