John 3:1-21 New American Standard Bible (NASB)
The New Birth
3 Now there was a man of the Pharisees, named Nicodemus, a ruler of the Jews; 2 this man came to [a]Jesus at night and said to Him, “Rabbi, we know that You have come from God as a teacher; for no one can do these [b]signs that You do unless God is with him.” 3 Jesus responded and said to him, “Truly, truly, I say to you, unless someone is born [c]again he cannot see the kingdom of God.”
4 Nicodemus *said to Him, “How can a person be born when he is old? He cannot enter his mother’s womb a second time and be born, can he?” 5 Jesus answered, “Truly, truly, I say to you, unless someone is born of water and the Spirit, he cannot enter the kingdom of God. 6 That which has been born of the flesh is flesh, and that which has been born of the Spirit is spirit. 7 Do not be amazed that I said to you, ‘You must be born [d]again.’ 8 The wind blows where it wishes, and you hear the sound of it, but you do not know where it is coming from and where it is going; so is everyone who has been born of the Spirit.”
9 Nicodemus responded and said to Him, “How can these things be?” 10 Jesus answered and said to him, “You are the teacher of Israel, and yet you do not understand these things? 11 Truly, truly, I say to you, we speak of what we know and testify of what we have seen, and you people do not accept our testimony. 12 If I told you earthly things and you do not believe, how will you believe if I tell you heavenly things? 13 No one has ascended into heaven, except He who descended from heaven: the Son of Man. 14 And just as Moses lifted up the serpent in the wilderness, so must the Son of Man be lifted up, 15 so that everyone who [e]believes will have eternal life in Him.
16 “For God so loved the world, that He gave His only Son, so that everyone who believes in Him will not perish, but have eternal life. 17 For God did not send the Son into the world to judge the world, but so that the world might be saved through Him. 18 The one who believes in Him is not judged; the one who does not believe has been judged already, because he has not believed in the name of the only Son of God. 19 And this is the judgment, that the Light has come into the world, and people loved the darkness rather than the Light; for their deeds were evil. 20 For everyone who does evil hates the Light, and does not come to the Light, so that his deeds will not be exposed. 21 But the one who practices the truth comes to the Light, so that his deeds will be revealed [f]as having been performed in God.”