Grey is a colour that always seems on the eve of changing to some other colour.

It is generally the man who is not ready to argue, who is ready to sneer.

Mysticism keeps mankind sane. As long as you have mystery you have health; when you destroy mystery you create morbidity.

Moral issues are always terribly complex for someone without principles.

The ignorant pronounce it Frood To cavil or applaud The well-informed pronounce it Froyd But I pronounce it Fraud.

The theory of free speech, that truth is so much larger and stranger and more many-sided than we know of, that it is very much better at all costs to hear everyone's account of it, is a theory which has been justified on the whole by experiment, but which remains a very daring and even a very surprising theory. It is really one of the great discoveries of the modern time.

Christianity satisfies suddenly and perfectly man's ancestral instinct for being the right way up; satisfies it supremely in this, that by its creed Joy becomes something gigantic, and Sadness something special and small.