Pessimists are usually right and optimists are usually wrong but all the great changes have been accomplished by optimists.

I said that more people in more places can now compete, connect and collaborate with equal power and equal tools than ever before.

Combating climate change requires government policy, and most conservatives hate the idea of more government regulation. Because they hate the prescription, they deny the diagnosis.

America needs rebooting.

If you want to get an advance machine tool job today, you need to know calculus. We know a lot of people don't, we can't expect everyone to know calculus, what do we do? We created a huge bubble that created a huge number of jobs to build houses and to be in retail. You don't have to have a lot of skills to work in the new Gap store that opened, at the latest Starbucks branch, or to hammer a nail for a new house.

Every golf course should have its carbon rating on the scorecard, alongside its Course Rating, Slope, par and yardage.

The Dell Theory of Conflict Prevention argues that no two countries that are both part of the same global supply chain will ever fight a war as long as they are each part of that supply chain.