New Revised Standard Version
Brothers and sisters, do not be children in your thinking; rather, be infants in evil, but in thinking be adults.

Contemporary English Version
My friends, stop thinking like children. Think like mature people and be as innocent as tiny babies.

New American Bible
Brothers, stop being childish in your thinking. In respect to evil be like infants, but in your thinking be mature.

Douay-Rheims Bible
Brethren, do not become children in sense. But in malice be children: and in sense be perfect.

Brethren, do not become children in sense. But in malice be children: and in sense be perfect.

not.

1 Corinthians 3:1,2 And I, brethren, could not speak to you as unto spiritual, but as unto carnal. As unto little ones in Christ. . . .

1 Corinthians 13:11 When I was a child, I spoke as a child, I understood as a child, I thought as a child. But, when I became a man, I put away the things of a child.

Psalm 119:99 I have understood more than all my teachers: because thy testimonies are my meditation.

Isaiah 11:3 And he shall be filled with the spirit of the fear of the Lord, He shall not judge according to the sight of the eyes, nor reprove according to the hearing of the ears.

Romans 16:19 For your obedience is published in every place. I rejoice therefore in you. But I would have you to be wise in good and simple in evil.

Ephesians 4:14,15 That henceforth we be no more children tossed to and fro and carried about with every wind of doctrine, by the wickedness of men, by cunning craftiness by which they lie in wait to deceive. . . .

Philippians 1:9 And this I pray: That your charity may more and more abound in knowledge and in all understanding:

Hebrews 5:12,13 For whereas for the time you ought to be masters, you have need to be taught again what are the first elements of the words of God: and you are become such as have need of milk and not of strong meat. . . .

Hebrews 6:1-3 Wherefore, leaving the word of the beginning of Christ, let us go on to things more perfect: not laying again the foundation of penance from dead works and of faith towards God, . . .

2 Peter 3:18 But grow in grace and in the knowledge of our Lord and Saviour Jesus Christ. To him be glory both now and unto the day of eternity, Amen.

malice.

Psalm 131:1,2 A gradual canticle of David. Lord, my heart is not exalted: nor are my eyes lofty. Neither have I walked in great matters, nor in wonderful things above me. . . .

Matthew 11:25 At that time Jesus answered and said: I confess to thee, O Father, Lord of Heaven and earth, because thou hast hid these things from the wise and prudent, and hast revealed them to little ones.

Matthew 18:3 And said: amen I say to you, unless you be converted, and become as little children, you shall not enter into the kingdom of heaven.

Matthew 19:4 Who answering, said to them: Have ye not read, that he who made man from the beginning, made them male and female? And he said:

Mark 10:15 Amen I say to you, whosoever shall not receive the kingdom of God as a little child shall not enter into it.

1 Peter 2:2 As newborn babes, desire the rational milk without guile, that thereby you may grow unto salvation:

but.

Psalm 119:99 I have understood more than all my teachers: because thy testimonies are my meditation.

men.

1 Corinthians 2:6 Howbeit we speak wisdom among the perfect: yet not the wisdom of this world, neither of the princes of this world that come to nought.

Philippians 3:15 Let us therefore, as many as are perfect, be thus minded: and if in any thing you be otherwise minded, this also God will reveal to you,