If you're a leader at any level and your people aren't challenging you, you've got to change that or you can't be a leader here because you're not going to be using ideas, you're not going to have innovation, you're not going to fully develop your people. And if you're working in a group and you don't challenge, then you're not really doing your job.

If we are going to have a Fed, it should not fall into the tyranny of experts with the a fatal conceit that a few wise people can determine interest rates. Interest rates should be driven by the market, and people's time preference, and we see these boom-bust cycles.

I've devoted most of my life to understanding the principles that enable people to improve their lives. It's those principles, the principles of free society, that have shaped my life, my family, our company, and America.

A lot of the Republican rhetoric better than the Democrats'. But when they're in office, it's pretty much the same thing. It's serving their supporters, it's corporate welfare, it's cronyism which is so destructive, particularly to the disadvantaged.

Why I've never been that fond of politics and only got into it recently kicking and screaming, because I don't think politicians are going to reverse the trajectory of this country. I think it's going to depend on the American people understanding what is fair and what makes their lives better.

Our vision controls the way we think and, therefore, the way we act the vision we have of our jobs determines what we do and the opportunities we see or don't see.

You'll remember Newton was furious at Leibniz, because he developed calculus at the same time. And he went to his death believing that he had copied him. And no, it's because all the elements were there, so it's almost inevitable that the next discovery - as long as people are free and allowed to experiment and try new things.