Morality in sexual relations, when it is free from superstition, consists essentially in respect for the other person, and unwillingness to use that person solely as a means of personal gratification, without regard to his or her desires.

In action, in desire, we must submit perpetually to the tyranny of outside forces; but in thought, in aspiration, we are free, free from our fellowmen, free from the petty planet on which our bodies impotently crawl, free even, while we live, from the tyranny of death.

The man who only loves beautiful things is dreaming, whereas the man who knows absolute beauty is wide awake.

The satisfaction to be derived from success in a great constructive enterprise is one of the most massive that life has to offer.

We must be sceptical even of our scepticism.

In considering irregular appearances, there are certain very natural mistakes which must be avoided.

The Church no longer contends that knowledge is in itself sinful, though it did so in its palmy days; but the acquisition of knowledge, even though not sinful, is dangerous, since it may lead to pride of intellect, and hence to a questioning of the Christian dogma.