Donald [Trump] has had a long career of using great wealth and power trying to bully others.

If you're going to decide to run a data-driven campaign, decision-making has to follow it.

If you join ISIS, if you wage jihad on America, then you are signing your death warrant.

As president, I wouldn't be making the day-to-day combat decisions. The job of the commander-in-chief is to lay the objective out and then you rely upon the generals and admirals and commanders to give you their expert advice on the tools needed to carry out that objective.

My touchstone for every question is the Constitution.

I offer myself as a leader to the people of this country because I think they're looking for solutions, not lawyers arguing over laws or entertainers throwing out sound bites that draw media attention. We need to solve the problem.

The heart of a grass-roots campaign is the ownership.