We may never understand what leads anybody to terrorize their fellow human beings. Such violence, such evil is senseless. It's beyond reason.

It's probably a prerequisite for the job, or at least you have to have enough craziness to think that you can do the job. I think that [Donald Trump] has not spent a lot of time sweating the details of, you know, all the policies.

We, the people, still believe that our obligations as Americans are not just to ourselves, but to all posterity.

A person’s zip code shouldn’t decide their destiny.

Jobs was brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it.

It's time to fundamentally change the way that we do business in Washington. To help build a new foundation for the 21st century, we need to reform our government so that it is more efficient, more transparent, and more creative. That will demand new thinking and a new sense of responsibility for every dollar that is spent.

Historically, when a previous US administration enters into an agreement, it carries forward into the future administration.