Every man has a right to his opinion, but no man has a right to be wrong in his facts.

If you get all the facts, your judgment can be right; if you don't get all the facts, it can't be right.

A political leader must keep looking over his shoulder all the time to see if the boys are still there. If they aren't still there, he's no longer a political leader.

When good news about the market hits the front page of the New York Times, sell.

If acknowledging that racial misgivings and misunderstandings are still a part of politics and life in America, I plead guilty.

In a true democracy, there has to be a line between deliberative debate and mob rule. Trump has crossed the line, and much of the media has exacerbated the problem by treating his remarks as entertainment, effectively encouraging his competition to do the same.

Washington politicians think that government can make better decisions than you and me. But we know better. We know it's smaller, less intrusive government that will lead to real economic prosperity. We know it's business-friendly policies, not more red tape, that will create real growth.

The government will see that human spaceflight is useful - for science and the economy - and inspirational.