Our ancestors in Egypt did not understand God's wonderful acts; they forgot the many times he showed them his love, and they rebelled against the Almighty at the Red Sea.
“I have used figures of speech to tell you these things. But the time will come when I will not use figures of speech, but will speak to you plainly about the Father.
Whoever does not have the Spirit cannot receive the gifts that come from God's Spirit. Such a person really does not understand them, and they seem to be nonsense, because their value can be judged only on a spiritual basis.
What happened to them shows that the proverbs are true: “A dog goes back to what it has vomited” and “A pig that has been washed goes back to roll in the mud.”
We know that the Son of God has come and has given us understanding, so that we know the true God. We live in union with the true God—in union with his Son Jesus Christ. This is the true God, and this is eternal life.