"These things I have spoken to you in figures of speech; but the time is coming when I will no longer speak to you in figures of speech, but I will tell you plainly about the Father.
But the natural man does not receive the things of the Spirit of God, for they are foolishness to him; nor can he know them, because they are spiritually discerned.
But it has happened to them according to the saying of the true proverb: "A dog returns to his own vomit," and, "A sow, having washed, to her wallowing in the mire."
And we know that the Son of God has come and has given us an understanding, that we may know Him that is true; and we are in Him that is true, in His Son Jesus Christ. He is the true God and eternal life.