We had a farewell dinner for some of my senior staff, and generally everybody likes to talk about how cool I was.

No country on Earth would tolerate missiles raining down on its citizens from outside its borders.

We too often let the material things serve as indicators that we're doing well, even though something inside us tells us that were not doing our best. That we are avoiding that which is hard, but also necessary. That we are shrinking from rather than rising to the challenges of the age.

My second piece of advice is to stay global. As the world continues to change and we become more connected to each other, globalization will bring both benefits and disruptions to our lives. But either way, it's here, and it's not going away.

One of the things I advised Donald Trump to do was to make sure that, before he commits to certain courses of action, he has really dug in and thought through how various issues play themselves out.

When it comes to immigration, I think Americans expect that our immigration process is orderly and it is legal.

Americans should tremble before suggesting that any fellow citizen lacks patriotism.