I don't believe you can contain ideas by military force.

I was inclined to judge the validity of a man's faith more by the depth of his roots in reality and brotherhood and love. So I felt more at home, shall we say with some Zoroastrians in the Far East, than I did with some Catholic missionaries.

The new frontier lies not beyond the planets but within each one of us.

In reality, though, the first thing to ask of history is that it should point out to us the paths of liberty. The great lesson to draw from revolutions is not that they devour humanity but rather that tyranny never fails to generate them.

The politicians, who once stated that war was too complex to be left to the generals, now act as though peace were too complex to be left to themselves.

There's no place for the state in the bedrooms of the nation. What's done in private between adults doesn't concern the Criminal Code.

I think the sense of exclusivity that tended to be associated with religions in past times has now disappeared. At least it has disappeared in its political and social manifestations as far as I can see.