Deuteronomy 4:8-9

Or what great nation has statutes and judgments so righteous (upright, just) as this whole law which I am placing before you today? “Only pay attention and watch yourselves closely so that you do not forget the things which your eyes have seen and they do not depart from your heart all the days of your life. Make them known to your children and your grandchildren [impressing these things on their mind and penetrating their heart with these truths]