Proverbs 23:19 Hear, my son, and be wise; and guide your heart in the way.
If we do not listen to instruction then we are not going to be able to learn. If we ignore good instruction then we are being ignorant.
God has given us many people in our lives that can show us the truth and instruct us in the ways that we should go; but it is our choice as to whether we listen or not.
No matter what upbringing we have had, there has always been an example or a person that has been standing up for God as our example.
God is trying to give us the advice, we just need to listen and take it in!