Geshmak

One Litvak asked one of the early rebbes, "You Chassidim and we misnagdim both learn Torah. We're makpid in halacha and you're makpid in halacha. So, sof kol sof, at the end of the day, what did chassidus really add?" The rebbe answered him that everything he said is true, but that there's one difference; after Chassidus, when one does an aveira, it just isn't as geshmak as it used to be."