4 Bible Verses about Discernment, Source Of

And we have received not the spirit of the world, but the Spirit which is of God, that we may know the things given us by God, which we also speak, not in words taught by human wisdom, but in those taught by the Spirit, comparing spiritual things with spiritual. But the natural man receives not the [things] of the Spirit of God, for they are foolishness to him, and he cannot know them, for they are spiritually discerned.read more.
But the spiritual man discerns all things, and is himself perceived by no one.

but solid food is for the perfect, having their perceptive faculties exercised by practice to distinguish both good and evil.

and be not conformed to this life, but be transformed by the renewing of the mind, that you may prove what is the will of God which is good and well-pleasing and perfect.

For who has known the mind of the Lord, who shall instruct him? But we have the mind of Christ.