1 Corinthians 14:20

Brothers, stop being children in intelligence, but as to evil keep on being babies; and yet as to intelligence be men of maturity.

Romans 16:19

Yes, your obedience has been told to everybody; so I am delighted about you, but I want you to be wise about what is good and innocent about what is bad.

Matthew 18:3

and said: "I solemnly say to you, unless you turn and become like little children, you can never get into the kingdom of heaven at all.

Hebrews 5:12-13

For although you ought to be teachers of others because you have been Christians so long, you actually need someone to teach you over and over again the very elements of the truths that God has given us, and you have gotten into such a state that you are in constant need of milk instead of solid food.

1 Peter 2:2

and like new-born babies thirst for pure spiritual milk, so that by it you may grow up to final salvation,

1 Corinthians 2:6

Yet, when among mature believers we do set forth a wisdom, but a wisdom that does not belong to this world or to the leaders of this world who are passing away;

Matthew 11:25

At that time Jesus said, "I thank You, Father, Lord of heaven and earth, for concealing these matters from wise and learned men, and for revealing them to little children.

Matthew 19:4

And He answered, "Have you not read that the Creator at the beginning made them male and female,

Mark 10:15

I solemnly say to you, whoever does not accept the kingdom of God as a little child does, will never get into it at all."

1 Corinthians 3:1-2

So I myself, brothers, could not deal with you as spiritual persons, but as creatures of human clay, as merely baby Christians.

1 Corinthians 13:11

When I was a child, I talked like a child, I thought like a child, I reasoned like a child. When I became a man, I laid aside my childish ways.

Ephesians 4:14-15

so that we may not be babies any longer, or like sailors tossed about and driven around by every wind of doctrine, by the trickery of men through their cunning in inventing new methods of error.

Philippians 1:9

And it is my prayer that your love may overflow still more and more, directed by fuller knowledge and keener insight,

Philippians 3:15

So let us all who are mature have this attitude. If you have a different attitude, God will make it clear to you.

Hebrews 6:1-3

So then let us once for all quit the elementary teaching about Christ and continue progressing toward maturity; let us stop relaying a foundation of repentance from works that mean only death, and of faith in God,

2 Peter 3:18

but instead, you must continue to grow in the spiritual strength and knowledge of our Lord and Saviour Jesus Christ. To Him be glory now and forever!

Treasury of Scripture Knowledge

Summary

Brethren, be not children in understanding: howbeit in malice be ye children, but in understanding be men.

General references

Bible References

Not

1 Corinthians 3:1
So I myself, brothers, could not deal with you as spiritual persons, but as creatures of human clay, as merely baby Christians.
1 Corinthians 13:11
When I was a child, I talked like a child, I thought like a child, I reasoned like a child. When I became a man, I laid aside my childish ways.
Romans 16:19
Yes, your obedience has been told to everybody; so I am delighted about you, but I want you to be wise about what is good and innocent about what is bad.
Ephesians 4:14
so that we may not be babies any longer, or like sailors tossed about and driven around by every wind of doctrine, by the trickery of men through their cunning in inventing new methods of error.
Philippians 1:9
And it is my prayer that your love may overflow still more and more, directed by fuller knowledge and keener insight,
Hebrews 5:12
For although you ought to be teachers of others because you have been Christians so long, you actually need someone to teach you over and over again the very elements of the truths that God has given us, and you have gotten into such a state that you are in constant need of milk instead of solid food.
Hebrews 6:1
So then let us once for all quit the elementary teaching about Christ and continue progressing toward maturity; let us stop relaying a foundation of repentance from works that mean only death, and of faith in God,
2 Peter 3:18
but instead, you must continue to grow in the spiritual strength and knowledge of our Lord and Saviour Jesus Christ. To Him be glory now and forever!

Men

1 Corinthians 2:6
Yet, when among mature believers we do set forth a wisdom, but a wisdom that does not belong to this world or to the leaders of this world who are passing away;
Philippians 3:15
So let us all who are mature have this attitude. If you have a different attitude, God will make it clear to you.

General references

1 Corinthians 10:15
I am speaking to sensible men; decide for yourselves about what I say.