"No one can say 'Jesus is Lord' except by the Holy Spirit." 1 Cor 12:3. In other words, the Holy Spirit is so important to the enlightened understanding of the true Christian that he cannot so much as affirm that Jesus is Lord without the Spirit's assistance. This it is insinuated that even though the things of the gospel are true in themselves, they are as lies if they are not uttered in and by that primciple and Spirit which should properly activate and direct the mind in such matters. When they are uttered without the Spirit, they are like the words of actors upon a stage or the prattling of a parrot who has been taught a few words. A parrot can even learn to utter a rational sentence, just as the intellect of a man can learn the words or writings of spiritual men. But these words are not true unless they come from the spiritual rather than the rational principle." - Robert Barclay, Apology