It's getting tougher and tougher to defeat ISIS, because they're in more and more places, more and more states, more and more nations.

We've had some big waves [of immigration]. And tremendously positive things have happened. Incredible things have happened.

In addition, we will improve the Department of Defense's cyber capabilities. A new threat, a new problem, very expensive, and we're not doing very well with cyber.

We have some bad hombres here, and we're going to get them out.

Poland has resumed its place as a leading nation of a Europe that is strong, whole, and free.A strong Poland is a blessing to the nations of Europe. A strong Europe is a blessing to the West and to the world.

What I admire most are people who put themselves directly on the line.

We're spending on numerous countries - very substantial countries, you know the countries we're talking about - but we're defending them for a fraction of the cost.