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Old TestamentIsaiah 43:19Major Prophets
“Shall ye not know it?”

The full verse · Isaiah 43:19 · KJV

Behold, I will a new ; it shall spring ; shall ye not it? I will even a in the , and in the .

Asked by

God

Asked to

Israel

The question addresses the exiled Jewish community in Babylon, with prophetic implications for all generations who would read Isaiah’s prophecy.

Why It Was Asked

God uses this question not to request information but to awaken spiritual perception in His people. By asking rather than merely declaring, He invites Israel to actively participate in recognizing His redemptive work already underway. The interrogative form creates cognitive engagement, prompting self-examination about their spiritual attentiveness to divine activity.

The Response

No verbal response is recorded in the immediate context. The passage continues with God declaring He will provide water in the wilderness and that the beasts of the field will honor Him. The following verses indicate that Israel’s proper response should be recognizing and praising God for His redemptive acts, though Isaiah 43:22-24 reveals Israel had actually grown weary of God rather than perceiving His new work.

The Bigger Picture

God’s question addresses a fundamental problem of spiritual perception. The Hebrew phrase ‘do you not perceive it’ (halo teda’uha) uses a verb (yada) meaning intimate, experiential knowledge rather than mere intellectual awareness. God isn’t asking if Israel possesses information about His plans but whether they recognize His redemptive activity breaking forth around them. He frames this as a question rather than accusation to invite self-examination without condemnation. The interrogative form assumes Israel should perceive this new thing, yet graciously acknowledges they may have missed it. The wilderness imagery carries profound theological weight: just as God once made a way through the Red Sea and provided water from rocks, He promises to replicate such miraculous provision for the exiles’ return from Babylon. This question challenges every generation to cultivate spiritual attentiveness to God’s ongoing creative and redemptive work, refusing to let past experiences, whether triumphant or traumatic, blind us to present divine activity.

For Your Life Today

Are you so focused on past disappointments that you’re missing what God is doing right now? God challenges our spiritual blindness when we fixate on yesterday’s defeats or yesterday’s victories while He’s already at work creating new possibilities. The Israelites knew about the Exodus but struggled to see God’s present activity. We do the same when we assume God only works in familiar patterns. Ask God to open your eyes to His current movement in your circumstances, relationships, and calling. Like streams breaking forth in desert places, His grace may already be flowing in unexpected ways. ‘Therefore, if anyone is in Christ, he is a new creation. The old has passed away; behold, the new has come’ (2 Corinthians 5:17). What looks like wilderness today may be tomorrow’s testimony of provision.

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