1 Corinthians 13:11

When I was a child, I talked like a child, I thought like a child, I argued like a child; now that I am a man, I am done with childish ways.

1 Corinthians 3:1-2

But I could not discuss things with you, my brothers, as spiritual persons; I had to address you as worldlings, as mere babes in Christ.

1 Corinthians 14:20

Brothers, do not be children in the sphere of intelligence; in evil be mere infants, but be mature in your intelligence.

Galatians 4:1

What I mean is this. As long as an heir is under age, there is no difference between him and a servant, though he is lord of all the property;

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
But I could not discuss things with you, my brothers, as spiritual persons; I had to address you as worldlings, as mere babes in Christ.
1 Corinthians 14:20
Brothers, do not be children in the sphere of intelligence; in evil be mere infants, but be mature in your intelligence.
Galatians 4:1
What I mean is this. As long as an heir is under age, there is no difference between him and a servant, though he is lord of all the property;