A fad or heresy is the exaltation of something which even if true, is secondary or temporary in its nature against those things which are essential and eternal, those things which always prove themselves true in the long run. In short, it is the setting up of the mood against the mind.
Gilbert K. ChestertonA man must be orthodox upon most things, or he will never even have time to preach his own heresy.
Gilbert K. ChestertonCatholic doctrine and discipline may be walls; but they are the walls of a playground.
Gilbert K. Chesterton