Any work that's worth doing has its challenges as well as its opportunities. That's true if you're running a business, it's true if you're trying to help on a campaign.

We [the Republicans] help the middle class when we unburden them from the very policies that Hillary Clinton would double down on. She champions Big Government, which we know enables crony capitalism and exacerbates inequality. If you are wealthy, powerful and well-connected, you can handle Big Government.

The only way to reduce our national debt is to grow the economy and cut spending. We have no idea how our money is being spent. As president, I will move all agencies to zero-based budgeting so that every agency has to justify every dollar that they spend.

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

Too often, we see people who are prevented from practicing their religion because of a government mandate.

It's not a world war yet, but we're at war, because ISIS has declared war on us.

We must work with the Australians, the South Koreans, the Japanese and the Filipinos to contain China. And then we must ask for their support and their help with North Korea. Because believe it or not, China is as concerned about Kim Jong-Un as we are.