en_tn/heb/05/12.md

elementary principles of God's messages

Here "elementary principles" refers to the first things people should be able to understand. Alternate translation: "basic truths of God's messages" or "beginnning lessons of God's word"

You need milk

Teaching about God that is easy to understand is spoken of as if it were milk, the only food that infants can take. Alternate translation: "You have become like babies and can drink only milk" (See: rc://en/ta/man/translate/figs-metaphor)

milk, not solid food

Teaching about God that is difficult to understand is spoken of as if it were solid food, suitable for adults. Alternate translation: "milk instead of solid food that adults can eat" (See: rc://en/ta/man/translate/figs-metaphor)