Like newborn infants, long for the pure spiritual milk, that by it you may grow up into salvation— if indeed you have tasted that the Lord is good. (1 Peter 2:2–3, ESV)
When our boys were little and were on that "milk-only" diet that seems to be the rave among newborns, my wife and I would sit and laugh as we listened to the noises they made. There were loud slurps, gulps and splutters as they rapidly chugged their milk. Such noises were crescendoed by a large belch (now that they're older, as I think about it, not much has changed!).
The Apostle Peter challenges Christians in these two verses to be the same way . . . with the Bible. How desperately and how often we need to be filled with God's precious Truth.
As those with infants know, it is a wonderful thing when they can sleep through the night without waking and loudly alerting you to their hunger pangs. But even when they make it through the night, their waking hours seem to revolve around feeding times. They eat a lot and they eat often. We should consume our spiritual food the same way. If many of us ate regular food as infrequently as we do our spiritual food, we'd starve to death. We absolutely need to spend frequent time in God's Word lest we grow spiritually weak and anemic.
When we come to him, our soul longing to be satisfied, he graciously and faithfully fulfills our needs. As the Psalmist could attest,
For he satisfies the longing soul, and the hungry soul he fills with good things. (Psalm 107:9, ESV)
He never turns us away hungry. When come to him craving the truths of his Word, we always get what we need.
Many of us have seen the effects poor diet has on the growth and development of a child. They must have enough food and enough of the right food to develop the way they're supposed to. If we lack the spiritual nutrients necessary to mature in our faith, it's no one's fault but our own. We have access to scripture on our shelves, computers and smartphones. Marvelous Bible teaching can be found in a church near you, on the radio, online or on that smartphone. In the same way we take in our favorite foods, let's endeavor to feed our souls with the good things spread upon the table of God's Word.