1 Corinthians 13:11

When I was an infant, I talked like an infant, I thought like an infant, I reasoned like an infant: when I became a man, I put away the things of the infant.

1 Corinthians 3:1-2

And I, brethren, was not able to speak unto you as unto spiritual, but as unto carnal, even babes in Christ.

1 Corinthians 14:20

Brethren, be not children in intellect: but be infants in evil, but be perfect in intellect.

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, brethren, was not able to speak unto you as unto spiritual, but as unto carnal, even babes in Christ.
1 Corinthians 14:20
Brethren, be not children in intellect: but be infants in evil, but be perfect in intellect.