Matthew 18:3

and said, "Truly, I say to you, unless you turn and become like children, you will never enter the kingdom of heaven.

Mark 10:14-15

But when Jesus saw it, he was indignant and said to them, "Let the children come to me; do not hinder them, for to such belongs the kingdom of God.

1 Peter 2:2

Like newborn infants, long for the pure spiritual milk, that by it you may grow up into salvation--

1 Corinthians 14:20

Brothers, do not be children in your thinking. Be infants in evil, but in your thinking be mature.

Matthew 19:14

but Jesus said, "Let the little children come to me and do not hinder them, for to such belongs the kingdom of heaven."

Psalm 131:2

But I have calmed and quieted my soul, like a weaned child with its mother; like a weaned child is my soul within me.

Matthew 5:20

For I tell you, unless your righteousness exceeds that of the scribes and Pharisees, you will never enter the kingdom of heaven.

Luke 18:16-17

But Jesus called them to him, saying, "Let the children come to me, and do not hinder them, for to such belongs the kingdom of God.

Luke 22:32

but I have prayed for you that your faith may not fail. And when you have turned again, strengthen your brothers."

Psalm 51:10-13

Create in me a clean heart, O God, and renew a right spirit within me.

Isaiah 6:10

Make the heart of this people dull, and their ears heavy, and blind their eyes; lest they see with their eyes, and hear with their ears, and understand with their hearts, and turn and be healed."

Matthew 5:18

For truly, I say to you, until heaven and earth pass away, not an iota, not a dot, will pass from the Law until all is accomplished.

Matthew 6:2

"Thus, when you give to the needy, sound no trumpet before you, as the hypocrites do in the synagogues and in the streets, that they may be praised by others. Truly, I say to you, they have received their reward.

Matthew 6:5

"And when you pray, you must not be like the hypocrites. For they love to stand and pray in the synagogues and at the street corners, that they may be seen by others. Truly, I say to you, they have received their reward.

Matthew 6:16

"And when you fast, do not look gloomy like the hypocrites, for they disfigure their faces that their fasting may be seen by others. Truly, I say to you, they have received their reward.

Matthew 13:15

For this people's heart has grown dull, and with their ears they can barely hear, and their eyes they have closed, lest they should see with their eyes and hear with their ears and understand with their heart and turn, and I would heal them.'

Matthew 19:23

And Jesus said to his disciples, "Truly, I say to you, only with difficulty will a rich person enter the kingdom of heaven.

Mark 4:12

so that "they may indeed see but not perceive, and may indeed hear but not understand, lest they should turn and be forgiven."

Luke 13:24

"Strive to enter through the narrow door. For many, I tell you, will seek to enter and will not be able.

John 1:51

And he said to him, "Truly, truly, I say to you, you will see heaven opened, and the angels of God ascending and descending on the Son of Man."

John 3:3

Jesus answered him, "Truly, truly, I say to you, unless one is born again he cannot see the kingdom of God."

John 3:5

Jesus answered, "Truly, truly, I say to you, unless one is born of water and the Spirit, he cannot enter the kingdom of God.

Acts 3:19

Repent therefore, and turn again, that your sins may be blotted out,

Acts 14:22

strengthening the souls of the disciples, encouraging them to continue in the faith, and saying that through many tribulations we must enter the kingdom of God.

Acts 28:27

For this people's heart has grown dull, and with their ears they can barely hear, and their eyes they have closed; lest they should see with their eyes and hear with their ears and understand with their heart and turn, and I would heal them.'

James 5:19-20

My brothers, if anyone among you wanders from the truth and someone brings him back,

2 Peter 1:11

For in this way there will be richly provided for you an entrance into the eternal kingdom of our Lord and Savior Jesus Christ.

Treasury of Scripture Knowledge

Summary

And said, Verily I say unto you, Except ye be converted, and become as little children, ye shall not enter into the kingdom of heaven.

Bible References

And become

Mark 10:14
But when Jesus saw it, he was indignant and said to them, "Let the children come to me; do not hinder them, for to such belongs the kingdom of God.
Luke 18:16
But Jesus called them to him, saying, "Let the children come to me, and do not hinder them, for to such belongs the kingdom of God.
1 Corinthians 14:20
Brothers, do not be children in your thinking. Be infants in evil, but in your thinking be mature.
1 Peter 2:2
Like newborn infants, long for the pure spiritual milk, that by it you may grow up into salvation--

General references

Mark 10:15
Truly, I say to you, whoever does not receive the kingdom of God like a child shall not enter it."
Luke 9:46
An argument arose among them as to which of them was the greatest.
Luke 22:26
But not so with you. Rather, let the greatest among you become as the youngest, and the leader as one who serves.
Acts 8:19
saying, "Give me this power also, so that anyone on whom I lay my hands may receive the Holy Spirit."

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.