Joseph's brothers value forgiveness so much that they are willing to lie (again) to achieve it. Their willingness to do so shows some insight and some persistent foolishness.
Joseph asks: "Am I in the place of God?" Don't be afraid of me in this cosmic justice system. But do be afraid of God. Against Him is much of our transgression. What is God's big answer to "What will you do about your sin?" Watch, like, subscribe, and share this 7 minute video:
https://youtu.be/MgnYC2Vdvas