You look at Russia's doing with their nuclear capability and the newness of their capability, and look at we're - what we're doing, and nobody wants to do that with respect to nukes because nukes are horrible. But you have countries that are going out of their way to do things that we're not doing. And we have to be very, very careful.

We've rarely needed it [cyber safety] more than we do right now.

We have to repeal and replace Obamacare.

I'm going to deliver a detailed policy address on one of the greatest challenges facing our country today, illegal immigration.

I've taken people and fired them over a period of a year. I've fired them over a period of a month. I've fired them over a period of a day or a week, nice and easy, slow. The one thing that a firing always has in common is the next day they wake up and they hate Donald Trump, no matter how nice you are.

People are waiting in line for 15 years before they get rejected, O.K.? That's why people don't want to invest in America.

Obamacare is a disaster waiting to explode. If you sit back and let it explode, it's going to be much easier.