"If you want to get men to act reasonably, you must set about persuading them in a maniacal manner. The very sane precepts of the founders of religions are only made infectious by means of enthusiasms which to a sane man must appear deplorable. It is humiliating to find how impotent unadulterated sanity is.
Sanity, for example, informs us that the only way in which we can preserve civilisation is by behaving decently and intelligently.
Sanity appeals and argues; our rulers persevere in their customary porkishness, while we acquiesce and obey.