In these scriptures we learn how Godly parents should raise children by following scripture. Children must honour their father and mother by respecting, loving and caring for them especially as they age. Parents are to lead children in the ways of God and they will not depart from it when they are old.
This passage highlights the conflict between the growing movement to include Gentiles in the church and the traditional Jewish beliefs. Peter emphasizes that God is the one who initiates the work of salvation and that He has granted repentance, the Holy Spirit and eternal salvation to all who believe.
Discovering Nicodemus the Pharisee who didn't understand how to be born again. Jesus teaches him it is to be born from above and not a physical rebirth.