The separation of church and state is necessary partly because if religion is good then the state shouldn't interfere with the religious vision or with the religious prophet. There must be a realm of truth beyond political competence, that's why there must be a separation of churches, but if religion is bad and a bad religion is one that gives an ultimate sanctity to some particular cause. Then religion mustn't interfere with the state - so one of the basic Democratic principles as we know it in America is the separation of church and state.

I think I should know how to educate a boy, but not a girl; I should be in danger of making her too learned.

[There is] an increasing tendency among modern men to imagine themselves ethical because they have delegated their vices to larger and larger groups.

For man as an historical creature has desires of indeterminate dimensions.

The mastery of nature is vainly believed to be an adequate substitute for self mastery.

You can't say that religion or irreligion will give us a particular answer to the nuclear dilemma.

We have to risk a nuclear war in order to escape capitulation to Communism. For all I know, we may stumble into this terrible war.