Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

The difference between a stranger sending you a message that you might be interested in at a very low volume level, no repetition, just sending it to very few people, and that being done as spam - those things get close enough that you want to be careful never to filter out something that's legitimate.

It's hard to improve public education - that's clear.

I’ve been waiting more than 30 years to say this: “Dad, I always told you I’d come back and get my degree.” I want to thank Harvard for this timely honor. I’ll be changing my job next year … and it will be nice to finally have a college degree on my resume.

The information highway will transform our culture as dramatically as Gutenberg's press did the Middle Ages.

I have this very positive view of the world getting better and better. The list of things that could be huge setbacks is not very long: A nuclear war, climate change and epidemics.

The future of Windows is to let the computer see, listen and even learn.