Scripture is written such that a child can understand the important things, like John 3:16-18. It is written such that an adult can discover deeper truths (almost any verse in context), but those truths are merely the discovering of the deeper foundations of the child's understanding. Scripture is rightly compared to the layers of an onion, but it will always contain mysteries, easily seen when comparing commentaries.

Ultimately, we all delight in the flashes of insight given the one who studies, insight given by the Word through His Spirit.