The generous wish to share with all what is precious, to spread broadcast priceless truths, to shut out none from the illumination of true knowledge, has resulted in a zeal without discretion that has vulgarised Christianity, and has presented its teachings in a form that often repels the heart and alienates the intellect. The command to "preach the gospel to every creature” – though admittedly by doubtful authenticity – has been interpreted as forbidding the teaching of Gnosis to a few, and has apparently erased the less popular saying of the same Great Teacher "Give not that is holy unto the dogs, neither cast ye your pearls before swine.”.