I'll remember the view out this window [from Oval Cabinet], because this is where we had our - the playground that we put in when Malia and Sasha came in. Being able every once in awhile to look out the window and see your daughters during the summer, swinging on that swing set, that made the presidency a little bit sweeter.

Our vulnerability to Russia or any other foreign power is directly related to how divided, partisan, dysfunctional our political process is. That's the thing that makes us vulnerable.

I don't welcome leaks. There's a reason why these programs are classified.

To anyone out there who has ever been assaulted: You will never be alone. You are never alone. We have your back. I've got your back.

The campaign was a more significant training ground than I think people give it credit for. By the time I got here, I think I had a pretty good sense of what was required. But the circumstances in which I came in were different than most executives, right? The enterprise was in the midst of a major crisis.

We do not benefit from a relationship with China or any other country in which we put our values and our ideals aside.

Sticking your head in the sand might make you feel safer, but it’s not going to protect you from the coming storm.