Without this balance, a body's immune system will not have the desired response when faced with infection. These findings could aid the development and production of vaccines and lead to further research on how the body fights specific infections, such as HIV.

Experience is something I always think I have until I get more of it.

The magnificence of mountains, the serenity of nature-nothing is safe from the idiot marks of man's passing.

Earlier research has shown that poor blood flow can damage these parts of the brain. So one theory is that exercise may prevent damage and might even help repair these areas by increasing blood flow.

Graphite also absorbs the shock of a hit. The first (graphite) clubs that came out were too flexible, but now you can get them to be just as firm as you want and need.

It's never safe to be nostalgic about something until you're absolutely certain there's no chance of its coming back

Above all, we must abolish hope in the heart of man. A calm despair, without angry convulsions, without reproaches to Heaven, is the essence of wisdom.