We should not lose sight of the eventual goal of everything, and that is "Vayadata hayom v’hasheivosa el levavecha ki Hashem hu haElokim." You’ll say, Isn’t that superfluous: "You should know today that Hashem is G-d"!?
Yet we see it’s a command because that should be our permanent function in this world. We must combat all the phenomena of materialism in order to return to the ancient attitude when everybody saw Hashem with their eyes. — Return To Hashem (#842)