Under my administration, anyone who illegally crosses the border will be detained until they are removed out of our country and back to the country from which they came.

Now, whether that was Russia, whether that was China, whether it was another country, we don't know, because the truth is, under President [Barack] Obama we've lost control of things that we used to have control over.

If America could get along with Russia, that's a positive thing.

We will build our military forces to a level that will be, I believe, stronger than ever before if I become President of the United States...

We're very powerful nuclear country. I've been briefed, I can tell you one thing about briefing that we're allowed to say, anybody that read the most basic book can say it, nuclear holocaust would be like no other.

The establishment of our new lawful immigration system then and only then will we be in a position to consider the appropriate disposition of those individuals who remain.

I love America. It's got potential to be great again. But, really, it's not great right now.