President Obama is perhaps the smartest person I've ever worked with.

Change doesn't happen with people sitting on their behinds, getting lazy.

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.

Thirty years ago, about 80% of a company's assets resided in its plant and equipment, with 20% in the knowledge of its people. Today, the reverse is true. The knowledge of our staff is our principal asset

When my son was a mere three months old, I started working at the State Department. I was not only the youngest Assistant Secretary of State but I was also a breastfeeding mother. I'm the first to admit that this felt crazy at times, and the balancing act is never ever easy. But my two kids are the most wonderful things that have ever happened to me.

The U.S. cannot go it alone simply when it is convenient.

What I learned is that policymakers have to force consideration of actions that may not have occurred to them at the time.