Leadership is about vision and responsibility, not power.

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.

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.

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.

Developing a world class vision is the secret to world-class motivation.

You cannot argue stupidity, you just have to accept it patiently as one of those things.

I worry all the time that I'm going to run out of ideas, you know? I always tell my mom my fashion ideas, because I know she'll remember them.

Who can live with this Consciousness and not wake frightened at sunrise?

Teaching is been seen as kind of a moral calling and not as an intellectual job.

None. I think we should send a country some cupcakes. You think some cupcakes would cheer up North Korea? Kill 'em with deliciousness.

I think people really want to be happy.

You sense that he's dangerous but don't now why - and wonder if it's because he makes you feel safer than you've ever felt.

Each of us, I suppose needs his illusions. Life after death. A maker of planets. A woman to love, a man to hate. Something sacred. But what a waste.

The half moon on the bank of the river's devotion. That's the stab wound, born from the killer emotion