No section of the American populace has been more completely deceived by the forces interested in keeping the truth from the people than America's youth.

A political theory seeks to find from history the limits of the politically possible.

Hatred is not contained in political thinking. Any hatred worked up against the public enemy is non-political, and always shows some weakness in the internal political situation.

The independence of the economic sphere was a tenet of faith with Liberalism.

To my astonishment, everything that I had assumed was now questioned by the findings. What started off as a search for identity that appeared to be purely Scottish in origin ended up as a discovery of my migrant roots - indeed an understanding that almost all of our families, at some stage, have been migrants - and my European roots.

The theory of evolution, like the theory of gravity, is a scientific fact.

There are two things I enjoy most about my work. First, I get to work with interesting and enthusiastic people who are also fired up about science. Second, every once in a while I have moments in which I suddenly understand the solution to a problem that I've been working on - those are great moments.

What are the symbols of American strength, wealth, power and modernity? Certainly not jazz and rock and roll, not chewing-gum or hamburgers, Broadway or Hollywood. It's their skyscrapers. Their Pentagon. Their science. Their technology.