If we have optimism without empathy then it doesn't matter how much we master the secrets of science. We're not really solving problems, we're just working on puzzles.

The information society should serve all of its citizens, not only the technically sophisticated and economically privileged.

In 80% of the world, energy will be bought where it is economic. You have to help the rest of the world get energy at a reasonable price.

Even for the very best programmers ah, sometimes you'll see someone else's program or somebody will come along and they'll show you what can be done in a simpler way.

The moral systems of religion, I think, are super important.

If there was an epidemic, that definitely would make people accept vaccines. I wouldn't hope for that, of course, but if you wanted people to love vaccines, an epidemic would remind them how magical they are.

Great organizations demand a high level of commitment by the people involved.