For the United States to recommit itself to the obligation that we undertook in the Nuclear Non-Proliferation Treaty that many other states undertook, which was to work towards disarmament and the eventual elimination of nuclear weapons, is something that manifestly serves our national security interests.

I've taken my knocks here and there, but I believe my intentions are good. Doesn't mean everything I do is perfectly executed or I don't make mistakes. Of course I do.

We also have begun to assess with the Ukrainians the scope of their larger security assistance requirements. We have had teams out making that assessment with the Ukrainians. And we have already provided various forms of equipment and support to Ukraine.

I may not be able to work for anybody else again. I may just have to work for myself.

Be who you are. If you spend all of your time worrying about how people view you, you will not be either faithful to yourself or effective in what you're trying to do.

Once you've learned to study in a bathing suit on the grass with muscled men throwing frisbees over your head, you can accomplish almost anything.

I don't get drunk, I get a little happy on rare occasion, and I'm probably dancing if I'm that happy.