Luke 18:16

Jesus, however, called the little children to him. "Let the little children come to me," he said, "and do not hinder them; for it is to the childlike that the Kingdom of God belongs.

Matthew 18:3-4

"I tell you, unless you change and become like little children, you will not enter the Kingdom of Heaven at all.

Acts 2:39

For the promise is for you and for your children, and also for all those now far away, who may be called by the Lord our God."

1 Corinthians 7:14

For, through his wife, the husband who is an unbeliever has become associated with Christ's People; and the wife who is an unbeliever has become associated with Christ's People through our Brother whom she has married. Otherwise your children would be 'defiled,' but, as it is, they belong to Christ's People.

1 Corinthians 14:20

Brothers, do not show yourselves children in understanding. In wickedness be infants, but in understanding show yourselves men.

1 Peter 2:2

like newly born infants, crave pure spiritual milk, so that you may be enabled by it to grow till you attain Salvation--

Treasury of Scripture Knowledge

Summary

But Jesus called them unto him, and said, Suffer little children to come unto me, and forbid them not: for of such is the kingdom of God.

Bible References

For

Matthew 18:3
"I tell you, unless you change and become like little children, you will not enter the Kingdom of Heaven at all.
1 Corinthians 14:20
Brothers, do not show yourselves children in understanding. In wickedness be infants, but in understanding show yourselves men.
1 Peter 2:2
like newly born infants, crave pure spiritual milk, so that you may be enabled by it to grow till you attain Salvation--