Natural Man Cannot Discern The Things of the Spirit

There is, or may be, a power in the mind to discern spiritual things, whereby it is so able to do it as that it can immediately exercise that power in the spiritual discerning of them upon their due proposal unto it, that is, spiritually; as a man that hath the visive faculty sound and entire, upon the due proposal of visible objects unto him can discern and see them. This power must be spiritual and supernatural; for whereas to receive spiritual things spiritually is so to receive them as really to believe them with faith divine and supernatural, to love them with divine love, to conform the whole soul and affections unto them, Rom. vi. 17, 2 Cor. iii. 18, no natural man hath power so to do: