I personally am not conscious of my accent.

History as well as life itself is complicated -- neither life nor history is an enterprise for those who seek simplicity and consistency.

Forced to choose between limiting population or trying to increase food production, we chose the latter and ended up with starvation, warfare, and tyranny.

The adoption of agriculture, supposedly our most decisive step toward a better life, was in many ways a catastrophe from which we have never recovered.

AIDS and malaria and TB are national security issues. A worldwide program to get a start on dealing with these issues would cost about $25 billion... It's, what, a few months in Iraq.

We're uncomfortable about considering history as a science. It's classified as a social science, which is considered not quite scientific.

Biology is the science. Evolution is the concept that makes biology unique.

Technology has to be invented or adopted.

Rhino-mounted Bantu shock troops could have overthrown the Roman Empire. It never happened.

Human societies vary in lots of independent factors affecting their openness to innovation.

Why did human development proceed at such different rates on different continents for the last 13,000 years?

Politics is the art of saying well that which may or may not be true.

What physics tells us is that everything comes down to geometry and the interactions of elementary particles. And things can happen only if these interactions are perfectly balanced.

In the United States we have a society pervaded from top to bottom by contempt for the law.

As far as I know, no one in the Kaufman or Hart clan was the basis for anyone in the play. I think we all wish we had a Grandpa, Penny, and Mr. De Pinna in our families.

My summer time tip is to wear shorts and light shirts; everything in summery fabrics such as linen and cotton. And don't think about work.

Your best is whatever you can do comfortably without having a breakdown.

He feels all our sorrows, needs, and burdens as his own. That is why it is said that the sufferings of believers are called the sufferings of Christ.

We are free, truly free, when we don't need to rent our arms to anybody in order to be able to lift a piece of bread to our mouths.

We learn to trust man when he does what we expect him to do; we learn to trust God when He doesn't do what we expect Him to do.

I was desperate for something to read that dealt realistically with teenage life, and I thought others might be, too.