Only five NATO countries, including the United States, are currently meeting their minimum requirement to spend 2% of GDP on defense.

I felt it from within. We have tremendous discontent in the country. We have tremendous problems in the country. And I felt it early on or I wouldn't have done this. But I see tremendous discontent.

What I'm living for now is making America great again.

I think [Hillary Clinton] would make a horrible president.

When I see the crumbling roads and bridges, or the dilapidated airports, or the factories moving overseas to Mexico, or to other countries, I know these problems can all be fixed, but not by Hillary Clinton - only by me.

I know hedge-fund guys that are making hundreds of millions of dollars a year and pay no tax. And I want to lower [tax] for the middle income. The middle class in this country has been decimated.

We have to do one thing at a time. We can't be fighting ISIS and fighting [Bashar]Assad. Assad is fighting ISIS. He is fighting ISIS. Russia is fighting now ISIS. And Iran is fighting ISIS.