When you reach your sixties, you have to decide whether you're going to be a sot or an ascetic. In other words if you want to go on working after you're sixty, some degree of asceticism is inevitable.

Sex is the mysticism of materialism.

Travel, of course, narrows the mind.

There's a large strain of irony in our human affairs... Interwoven with our affairs is this wonderful spirit of irony which prevents us from ever being utterly and irretrievably serious, from being unaware of the mysterious nature of our existence.

When Dwight Eisenhower became president, I personally was delighted. I thought that that was a very good thing.

One of the stupidest theories of Western life.

Higher education is booming in the United States; the Gross National Mind is mounting along with the Gross National Product.