Matthew 18:3
And said, Truly I say to you, Except you be converted, and become as little children, you shall not enter into the kingdom of heaven.
Nave's Topical Index—AKJV

1 Corinthians 14:20
Brothers, be not children in understanding: however, in malice be you children, but in understanding be men.
Nave's Topical Index—AKJV