Perhaps one of the most beautiful theological exhibitions in the book of John is found in chapter 3. Of course we are all familiar with verse 16, but what concerns us here is not verse 16's explanation of how our salvation obtains, but rather all that precedes the securing of salvation and instead answers the question, "what is obtained in our salvation?" Verses 3-7 are of particular interest here. They say,
Jesus replied, “Very truly I tell you, no one can see the kingdom of God unless they are born again.”
“How can someone be born when they are old?” Nicodemus asked. “Surely they cannot enter a second time into their mother’s womb to be born!”
Jesus answered, “Very truly I tell you, no one can enter the kingdom of God unless they are born of water and the Spirit. Flesh gives birth to flesh, but the Spirit[b] gives birth to spirit. You should not be surprised at my saying, ‘You[c] must be born again.’