Vaccines are extremely well tested; their safety is well understood. The false allegations about vaccines causing autism have been disproven. But there are still echoes out there confusing people.

(In response to Java) Anybody who thinks a little 9,000-line program that's distributed free and can be cloned by anyone is going to affect anything we do at Microsoft has his head screwed on wrong.

Why do people benefit in inverse proportion to their need? Well, market incentives make that happen.

Like almost everyone who uses e-mail, I receive a ton of spam every day. Much of it offers to help me get out of debt or get rich quick. It would be funny if it weren't so irritating.

When making choices, or setting policies about the economy, education or medicine, society is best served by electing people who are particularly hardworking, intelligent and interested in long-term thinking.

We are in the throes of a transition where every publication has to think of their digital strategy.

If you believe that every life has equal value, it’s revolting to learn that some lives are seen as worth saving and others are not. We said to ourselves: “This can’t be true. But if it is true, it deserves to be the priority of our giving.”