We must move from revenue-neutral to revenue-reducing tax reform, because the federal government spends far too much money.

I was wrong about [Jack] Keane. He is the exception that proves the rule. I was certainly right about the fact that he is a member of the warrior class.

I have been tested. I have beaten breast cancer. I have buried a child. I started as a secretary. I fought my way to the top of corporate America while being called every B word in the book. I fought my way into this election and on to this debate stage while all the political insiders and the pundits told, "it couldn't be done."

The hardest thing for a chief executive to do is to tell someone that they don't have a job anymore.

If values matter in an organisation, you have to be prepared to act consistently.

There's a whole company called Palantir that does nothing but derive and create algorithms riches to search through big data. We're not using their capabilities. For heaven's sake, some of this is just ineptitude.

But unlike Hillary Clinton, I know that flying is an activity, not an accomplishment.