The failure of Christianity in the areas west from Sicily was even greater, and was increased by the spread of Arab outlooks and influence to that area, and especially to Spain.

It is clear that every civilization undergoes a process of historical change. We can see that a civilization comes into existence, passes through a long experience, and eventually goes out of existence.

No scientist ever believes that he has the final answer or the ultimate truth on anything.

Hitler's economic revolution in Germany had reduced financial considerations to a point where they played no role in economic or political decisions

When we approach history, we are dealing with a conglomeration of irrational continua. Those who deal with history by nonrational processes are the ones who make history, the actors in it.

There were people who said the Society of Cincinnati in the American revolution, of which George Washington was one of the shining lights, was a branch of the Illuminati.

The very idea that there is some kind of conflict between science and religion is completely mistaken. Science is a method for investigating experience... Religion is the fundamental, necessary internalization of our system of more permanent values.