In which chapter of the Bible can you find the teaching on being 'born again'?

The teaching on being 'born again' is found in John 3, where Jesus explains this concept to Nicodemus. In this chapter, Jesus discusses the necessity of spiritual rebirth for entry into the Kingdom of God. He emphasizes that being born again refers to a transformation that occurs through the Holy Spirit, highlighting the distinction between physical birth and spiritual renewal. This passage sets a foundational understanding of salvation and the believer's relationship with God, making it a central theme in Christian doctrine. The depth of this teaching reflects Jesus’ role in offering new life and demonstrates the significance of faith and regeneration in the life of a Christian. The other chapters listed do not contain this specific teaching, as they focus on different aspects of Jesus' ministry and message.