Mark 10:15

10:15 I tell you the truth, whoever does not receive the kingdom of God like a child will never enter it.”

Matthew 18:3

18:3 and said, “I tell you the truth, unless you turn around and become like little children, you will never enter the kingdom of heaven!

John 3:5

3:5 Jesus answered, “I tell you the solemn truth, unless a person is born of water and spirit, he cannot enter the kingdom of God.

John 3:2

3:2 came to Jesus at night and said to him, “Rabbi, we know that you are a teacher who has come from God. For no one could perform the miraculous signs that you do unless God is with him.”

John 1:11

1:11 He came to what was his own, but his own people did not receive him.