Why Must We Bring Our Own Fire If Fire Already Descended from Heaven?

This source-based Hagut Yosef essay explores the question: Why Must We Bring Our Own Fire If Fire Already Descended from Heaven? The canonical Hebrew article develops the theme through Torah sources and reflection on human life. This localized discovery layer preserves the source’s meaning and identity; it does not add new halakhic, historical, psychological, medical, legal, or empirical claims beyond the Hebrew source.