Thematic Bible: Who is immature

And I, brothers, was not able to speak to you as spiritual, but as carnal, as babes in Christ. I have fed you milk, not solid food; for you were not yet able; but you are not able even now; for you are yet carnal. For when there is envy and strife among you are you not carnal and walk as men?

Concerning whom we have much to say, and that which is difficult to explain, because you have become dull of hearing. For you who ought on account of the time to be teachers, have need that one should teach you again what are the first rudiments of the oracles of God, and have need of milk and not solid food. For every one that partakes of milk is unskilful in the word of righteousness, for he is a babe;