“And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.”
My Notes
What Does Isaiah 6:9 Mean?
God commissions Isaiah with a devastating message: go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.
The commission comes immediately after Isaiah's cleansing and volunteering (v.6-8). He said 'here am I; send me.' God sends him — but with a message designed not to convert but to harden. The hearing will not produce understanding. The seeing will not produce perception.
Hear ye indeed, but understand not — the Hebrew construction uses infinitive absolutes for emphasis: hearing, hear — but do not understand. The hearing is real. The message reaches their ears. But comprehension does not follow. The gap between hearing and understanding is not accidental. It is judicial — the result of persistent prior rejection.
See ye indeed, but perceive not — the same pattern with sight. They see — the evidence is before their eyes. But perception — the ability to grasp the significance of what they see — is withheld. They have functional eyes but no spiritual sight.
Verse 10 explains the purpose: make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed. The hardening prevents conversion. The judicial blindness ensures that the people who have persistently rejected God's word will not receive the healing they have been refusing.
Jesus quotes this passage in Matthew 13:14-15 to explain why he teaches in parables. Paul quotes it in Acts 28:26-27 as his final word to unbelieving Israel in Rome. The passage describes the terrifying reality of judicial hardening — when God gives people over to the blindness they chose.
Reflection Questions
- 1.How does persistent rejection of God's word lead to the judicial hardening described in this passage?
- 2.What is the difference between inability to understand (never hearing) and judicial inability (hearing but not understanding)?
- 3.Why does Jesus quote this passage to explain why he teaches in parables (Matthew 13:14-15)?
- 4.Where might you be hearing without understanding — and what would it take to break through that pattern?
Devotional
Hear ye indeed, but understand not; and see ye indeed, but perceive not. This is the most terrifying commission in the Bible. God does not send Isaiah to persuade. He sends him to harden. The message will reach their ears. They will hear it. But they will not understand. The truth will stand before their eyes. They will see it. But they will not perceive.
How does this happen? How do people hear without understanding, see without perceiving? It happens when rejection becomes a habit. When you say no to God so many times that your spiritual faculties atrophy. When the refusal to respond becomes so ingrained that eventually, even when the truth is right in front of you, you cannot see it anymore.
The hardening is judicial — God gives them over to the blindness they chose. He does not create the rejection. He confirms it. He does not make them blind. He removes the light they kept refusing. The people who would not hear now cannot hear. The people who would not see now cannot see. The judgment fits the crime.
Jesus quoted this passage to explain why some people heard his parables and were changed and others heard the same words and walked away confused. The difference was not the teaching. It was the soil. Some hearts were already hardened — and the parables confirmed the hardness rather than breaking it.
This verse should make you take every encounter with God's word seriously. Every time you hear truth and dismiss it, the capacity to hear shrinks. Every time you see evidence of God and look away, the ability to perceive diminishes. The most dangerous spiritual condition is not outright rebellion. It is the gradual hardening that comes from repeated, casual rejection.
Commentary
Trusted original commentary from respected historical Bible scholars and theologians.
And he said, go, and tell this people,.... What is and will be their case and condition, as follows:
hear ye indeed;…
And he said ... - The expressions which follow are those which denote hardness of heart and blindness of mind. They…
God takes Isaiah at his word, and here sends him on a strange errand - to foretel the ruin of his people and even to…
The first effect of Isaiah's prophetic work: to increase the spiritual insensibility of the people. The prophet's words…
Cross References
Related passages throughout Scripture