If you convey to a woman that something ought to be done, there is always a dreadful danger that she will suddenly do it.

Surely we cannot take an open question like the supernatural and shut it with a bang, turning the key of the madhouse on all the mystics of history. You cannot take the region of the unknown and calmly say that, though you know nothing about it, you know all the gates are locked. We do not know enough about the unknown to know that it is unknowable.

War is not the best way of settling differences; it is the only way of preventing their being settled for you.

Cruelty is, perhaps, the worst kid of sin. Intellectual cruelty is certainly the worst kind of cruelty.

Coincidence is a spiritual pun.

Christianity has not been tried and found wanting; it has been found difficult and not tried.

If it's worth doing, it's worth doing badly. (on not perfectionism to put things off) .