QUOTATION: Unpopular Doctrines

But the prevalent irreligion of the age does exercise a continual unconscious pressure upon the pulpit; it makes preachers hesitate to affirm doctrines whose affirmation would be unpopular. And a doctrine which has ceased to be affirmed is doomed, like a disused organ, to atrophy.

--Msgr Ronald Knox, The Belief of Catholics, 1927