The document discusses spiritual maturity and the need to move beyond being "spiritually dull" or like "infants" needing milk. It notes that some people were not progressing in their understanding because they were not listening well or practicing what they had learned. Solid food, or deeper teachings, are for the mature who have their senses trained to discern between right and wrong. The solution presented is to grow accustomed to God's word by regularly reading and practicing it in order to advance spiritually.