Forget the mysteries of the universe, the laws of physics, or the depths of human history.  If you really want to impress your boys with your wisdom, teach them:

“Henry, Henry, Bo-Benry, Banana-Fana-Fo-Fenry, Me-My-Mo-Menry.  Heeeeeenry!”

You would have thought I’d unlocked the meaning of life by their rapt expressions.  They haven’t even grasped the rhyme’s true power.  When they experiment with “Mitch” and “Chuck” (hopefully that will take a few years) I expect their reaction to be something like this…