In societies like the American and West European where the dynamics of energy come from freedom and where the climate and the whole ethos are those of freedom, censorship is bound to be at worst, stupid; at best, futile; and always, to some degree, inconsonant with the character of the society as a whole.

Power politics existed before Machiavelli was ever heard of; it will exist long after his name is only a faint memory. What he did, like Harvey, was to recognize its existence and subject it to scientific study.

Next to the striking of fire and the discovery of the wheel, the greatest triumph of what we call civilization was the domestication of the human male.

In the end, as any successful teacher will tell you, you can only teach the things that you are. If we practice racism then it is racism we teach.

When you are seventeen you aren't really serious.

Science itself is a humanist in the sense that it doesn't discriminate between human beings, but it is also morally neutral. It is no better or worse than the ethos with and for which it is used.

Small wars are always teetering on the brink of becoming big ones.