God alone is holy—utterly distinct, morally perfect, and unrivaled—yet His holiness does not mean distance; it means His powerful, pure presence fills heaven and earth and is always near. Isaiah’s vision shows that God’s holiness confronts us before it comforts us, exposing our sin not to destroy us, but to cleanse, forgive, and re-center our lives around Him. When we recognize God’s holiness, awareness leads to repentance, repentance to transformation, and transformation to purpose—so that, like Isaiah, we can say, “Here am I. Send me.”