Enos went into the forest to hunt, and instead found himself wrestling with God all day and into the night. What started the wrestle was a memory. Words his father had spoken, heard many times across the years, rose up in him at a solitary moment and would not let him go. The science of memory shows how truth planted early can lie dormant and then surface exactly when it is needed.

Researcher of memory Charan Ranganath, in his 2024 book Why We Remember, explains that two things drive a memory deep enough to last: emotional significance and repetition. Words spoken once in passing fade fast. Words charged with feeling, and heard again and again, encode deeply and settle into long-term storage, where they can wait for years. And memory works by cues. A particular setting, a moment of stillness, a sudden hunger of the soul can reach down and pull a long-buried memory back to the surface, often when we least expect it. Truth laid deep does not always speak right away. It waits for its cue.

This is why a teaching can seem to land on a child without effect, and then prove decisive decades later. The encoding happened at the time, in the repetition and the love behind the words. The retrieval waited for a day when the heart was finally still enough, or hungry enough, to call it up.

This is a real comfort for any parent or teacher who feels their words are landing on deaf ears. The visible response is a poor guide to what is being stored. A child who rolls his eyes at family scripture study may be encoding every word, filing it deep against a day neither of you can yet see.