As variable as flu is, HIV makes flu look like the Rock of Gibraltar. The virus that causes AIDS is the trickiest pathogen scientists have ever confronted.

As many times as [HIV] changes its clothes, it's still wearing the same socks, and now our job is to make sure we get the body to really hate those socks.

Investments in immunization yield a rate of return on a par with educating our children - and higher than nearly any other development intervention.

Leadership is about vision and responsibility, not power.

The best vaccine imaginable is only valuable to the extent we get it to everyone who needs it.

We've actually eliminated Type II polio in the world, at least as far as we can tell.

When it comes to providing aid, developing innovations and making bold steps that change the course of history, the United States is usually on the front lines.

Love is the surprising emotion that company builders cannot ignore.

History is a vast early warning system.

They that know no evil will suspect none.

That is true beauty which has not only a substance, but a spirit; a beauty that we must intimately know, justly to appreciate.

If we are going to stop wars on this earth, we are going to have to make war on hunger our number one priority.

If God made poets for anything, it was to keep alive the traditions of the pure, the holy, and the beautiful.

There is a lot of focus on that first rate move, and I'm not sure how important that is.

When something so unjust as the black list happened, [Dalton Trumbo] would come to life in a certain way.

Climate change is real and it is caused to a significant extent by human activity.

The Army has carried the American... ideal to its logical conclusion... Not only do they prohibit discrimination on the grounds of race, creed and color, but also on the grounds of ability.