Often you just have to rely on your intuition.

Intermittency [in availability for wind and solar] changes the economics, particularly this requirement that the power company at all times be able to require power. That's large.

There are a variety of techniques for breaking software down into pieces and making software development more efficient. Many of these techniques have been sort of... and everybody got excited about but very little benefit was actually derived once the thing was put into practice.

Capitalism has worked very well. Anyone who wants to move to North Korea is welcome.

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 willingness to hear hard truth is vital not only for CEOs of big corporations but also for anyone who loves the truth. Sometimes the truth sounds like bad news, but it is just what we need.

Two years from now, spam will be solved.