Cross reference
1 Corinthians 13:11
11 When I was a child, I spake as a child, I understood as a child, I thought as a child: but when I became a man, I put away childish things.
1 Corinthians 14:20
20 Brethren, be not children in understanding: howbeit in malice be ye children, but in understanding be men.
1 Corinthians 3:1-2
1 And I, brethren, could not speak unto you as unto spiritual, but as unto carnal, even as unto babes in Christ.
2 I have fed you with milk, and not with meat: for hitherto ye were not able to bear it, neither yet now are ye able.
Galatians 4:1
1 Now I say, That the heir, as long as he is a child, differeth nothing from a servant, though he be lord of all;
Ecclesiastes 11:10
10 Therefore remove sorrow from thy heart, and put away evil from thy flesh: for childhood and youth are vanity.