One of the by-products of being a perfectionist and constantly trying to improve myself are sobering feelings of low-grade anxiety and a nagging sense of inadequacy This anxiety keeps me humble.

When I was a child, there were not that many vaccines. I was vaccinated for polio. I actually got measles as a child. I got pertussis, whooping cough. I remember that very well.

Previous efforts to eradicate malaria failed for several reasons, including political instability and technical challenges in delivering resources, especially in certain countries in Africa.

The immune systems goal is to protect the body against invaders either from without, such as microbes, or from within, such as cancers and different types of neoplastic transformation.

We feel confident that there won't be an outbreak.

I think, collectively, we should be paying more attention to what is going on around us in the world among people who dont have the advantages that we have.

The world is a place that is so interconnected that what happens in another part of the world will impact us.

Today we know the best way to prevent the spread of Ebola infection is through public health measures.

There has been treatment for hepatitis C, but the treatment has not been overwhelmingly effective, number 1. And number 2, it has had considerable toxicity.

Although it is still important to develop an HIV vaccine, we have significant tools already at our disposal that can make a major impact on the trajectory of this epidemic.

Investigating rare diseases gives researchers more clues about how the healthy immune system functions.

Here is the repeated image of the lover destroyed.

If I could explain a head in a barrel to the King, he thought, I can explain a man in a tanpit to a Bishop. But I'd sooner be more certain of the facts.

Reason gains all people by compelling none.

Will and I are yin and yang. He's all sky, vast and bright and soaring, and I'm all earth. I'm here to ground him, and he's here to help me fly.

I would not like to see a person who is sober, moderate, chaste and just say that there is no God. They would speak disinterestedly at least, but such a person is not to be found.

I do believe that all of the world needs reform. The reform must take place everywhere.

There's just a big, empty football field that's supposed to be filled with monsters that I haven't even thought of.

If you love something, set it free. And if it really loves you, it will find a way to come back.

Secret operations are essential in war; upon them the army relies to make its every move.

I'm as strong as a bull moose and you can use me to the limit.