en_tn_condensed/1pe/02/02.md

As newborn infants, long for pure spiritual milk

Peter speaks of his readers as if they were babies. Babies requires very pure food that they can digest easily. In the same way, believers need pure teaching from God's word. Alternate translation: "Just as babies long for their mother's breast milk, so you must yearn for pure spiritual milk"

long for

"desire intensely" or "yearn for"

you may grow in salvation

Here the word "salvation" refers to when God brings the salvation of his people to completion when Jesus returns. They were to increasingly act in ways that were consistent with this salvation. Alternate translation: "you may grow up spiritually until God saves you completely"

grow

Peter speaks of believers advancing in knowledge of God and faithfulness to him as if they were children growing up.