For most of the rise of modern medicine, the brain was a really unknown zone and was all based in guesswork. Well, that's all changing. And the opioid recovery is a very good example of the scale of change we're seeing.

I'm going to be the nominee. It's very hard not to look at the recent polls and think that the odds are very high I'm going to be the nominee.

Rethink every aspect of bureaucracy.

I suspect that Donald Trump is going to be very tough with those countries that don't spend at least 2 percent of their gross domestic product on defense. He will ask them why should we allow a free-ride policy.

An energy tax punishes senior citizens, it punishes rural Americans, if you use electricity it punishes you. This bill will increase your cost of living and may kill your job.

I am convinced that if we do not decisively win the struggle over the nature of America, by the time [his grandchildren are] my age they will be in a secular atheist country, potentially one dominated by radical Islamists and with no understanding of what it once meant to be an American.

America is not a country that wanders around trusting people with power. This is a country that wants accountability.