Thematic Bible: Who is immature

Brothers, I was not able to speak to you as spiritual people but as people of the flesh, as babies in Christ. I fed you milk, not solid food, because you were not yet able to receive it. In fact, you are still not able, because you are still fleshly. For since there is envy and strife among you, are you not fleshly and living like ordinary people?

We have a great deal to say about this, and it's difficult to explain, since you have become slow to understand. For though by this time you ought to be teachers, you need someone to teach you again the basic principles of God's revelation. You need milk, not solid food. Now everyone who lives on milk is inexperienced with the message about righteousness, because he is an infant.