1 Corinthians 13:11

When I was a child, I spoke as a child, I felt as a child, I thought as a child. Now that I have become a man, I have put away childish things.

1 Corinthians 3:1-2

And I, brothers, could not address you as spiritual, but as fleshly, as infants in Christ.

1 Corinthians 14:20

Brothers, do not be children in thoughts, yet in malice be babies, but in thoughts be mature.

Ecclesiastes 11:10

Therefore remove sorrow from your heart, and put away evil from your flesh; for youth and the dawn of life are vanity.

Galatians 4:1

But I say that so long as the heir is a child, he is no different from a bondservant, though he is lord of all;

Treasury of Scripture Knowledge

Summary

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.

Bible References

I spake

1 Corinthians 3:1
And I, brothers, could not address you as spiritual, but as fleshly, as infants in Christ.
1 Corinthians 14:20
Brothers, do not be children in thoughts, yet in malice be babies, but in thoughts be mature.
Ecclesiastes 11:10
Therefore remove sorrow from your heart, and put away evil from your flesh; for youth and the dawn of life are vanity.
Galatians 4:1
But I say that so long as the heir is a child, he is no different from a bondservant, though he is lord of all;