Cross reference
1 Corinthians 13:11
11 When I was a child, I spake as a child, I felt as a child, I thought as a child: now that I am become a man, I have put away childish things.
1 Corinthians 14:20
20 Brethren, be not children in mind: yet in malice be ye babes, but in mind be men.
1 Corinthians 3:1-2
1 And I, brethren, could not speak unto you as unto spiritual, but as unto carnal, as unto babes in Christ.
2 I fed you with milk, not with meat; for ye were not yet able `to bear it': nay, not even now are ye able;
Galatians 4:1
1 But I say that so long as the heir is a child, he differeth nothing from a bondservant though he is lord of all;
Ecclesiastes 11:10
10 Therefore remove sorrow from thy heart, and put away evil from thy flesh; for youth and the dawn of life are vanity.