When two priests died by divine fire for offering "strange fire" to God, their shocking fate raised an enduring religious paradox: how can sacred practitioners maintain spiritual sensitivity while regularly handling holy matters? Through analysis of rabbinic midrashic sources, Nadab and Abihu's transgression in Leviticus 10 emerges not as willful disobedience but as a more subtle failure - treating the divine as commonplace. Their death during the tabernacle's dedication served as a pointed warning to Israel, a "priest people," about the dangers of spiritual complacency. While humans naturally seek psychological protection from life's overwhelming aspects through habituation, this very tendency threatens authentic religious experience. The research demonstrates how religion's core function is to counteract this deadening effect by revealing the extraordinary within ordinary experience, cultivating holiness (kedushah). By examining key midrashic interpretations, the analysis illuminates how maintaining awareness of the uncommon within the familiar represents not merely a religious ideal but an essential component of authentic human existence. The fate of Nadab and Abihu thus serves as a perpetual reminder of what is at stake in the ongoing spiritual challenge of remaining awake to the sacred in the midst of routine religious practice.