America's government has to get the public investments right.

Even if we can solve the carbon problem for coal, it is still a non-renewable resource. At some point, coal supplies will drop.

Trust your intuition and be resilient. If you have real breakout ideas, even your friends will laugh at you secretly until you can prove their viability.

Donald Trump was underrated, but he understood social media and he understood reality television.

There are some cities that are doing good stuff, but there aren't enough of them. If you don't fight for what you want, then you deserve what you get. And in politics, if you don't ask, you don't get at all.

Most people walking around in a mall or on a college campus are carrying on them better technology than the entire U.S. government had when it put a man on the moon. Each one of us is a walking technological superpower.

Rich countries do civil wars with tweets and votes.