Isaiah’s rhetorical questions serve to awaken Israel’s spiritual memory and understanding, confronting their spiritual dullness and encouraging trust in God’s sovereignty. The intent is to remind them of the foundational truths about God’s eternal nature and power (Isaiah 40:21; Psalm 74:18). This challenges Israel to trust rather than fear amid national distress.

Israel is implicitly the respondent, representing God’s people who are being reminded of their knowledge of God’s eternal nature and power. The rhetorical question challenges their forgetfulness, emphasizing that God’s identity and works were revealed from the beginning (Isaiah 40:21-22).

Isaiah’s four-part question, have you not known, heard, been told, understood, is not pedagogical review but prophetic confrontation. The Hebrew verbs escalate through different modes of knowing: intellectual knowledge (yada), receptive hearing (shama), transmitted teaching (nagad), and foundational understanding (biyn). Each represents a channel through which Israel should have received the truth of God’s incomparable sovereignty. The phrase ‘from the beginning’ (מֵרֹאשׁ, me’rosh) and ‘from the foundations of the earth’ (מוֹסְדוֹת הָאָרֶץ, mosadot ha’aretz) anchor the claim not in recent revelation but in creation itself. What follows in verses 22–26 is a cumulative portrait of the Lord’s transcendence: He sits above the circle of the earth, stretches out the heavens, reduces rulers to nothing, and names every star individually. The questions function as an indictment of spiritual amnesia. Israel has forgotten what was inscribed in the structure of reality before they were born.