These make me think of the Discipline of Considering Others: When you build a roof, make it safe for anyone who may go up there. When you take a captive woman, allow her to mourn and don’t keep her if you’re not going to love and care for her. If you find something lost, return it. On and on, all the way down to: what to do if you find baby birds. Be thoughtful, reject selfishness and evil tendencies of domination.
Always note the closing statement concerning punishment:
“You must purge the evil from among you. All Israel will hear of it and be afraid.” (21:21)
The LORD doesn’t want everyone spending their time stoning sinners. He wants them to hear the law and then not commit the crime. Listen and obey. Fear the LORD and turn away from evil.
Take note of 21:22-23 “anyone hung on a tree is under God’s curse.” This is referenced in Galations 3:13. Jesus became a curse for us, taking our capital punishment, in the way He died.
I also want to highlight the command of keeping the firstborn rights with the firstborn, even if the mother is unloved. It reminds me of how the LORD demonstrated His love for Leah. He even chose her son, Judah, to be the kingly line. He is always near to the broken hearted.
Everything points to Christ. In His day, fear will stop being the motivation.
“There is no fear in love. But perfect love drives out fear, because fear has to do with punishment. The one who fears is not made perfect in love.” (1 John 4:18)
We can know the heart of the Father. Keep filtering all these laws through that knowledge.