What knowest thou, that we know not? what understandest thou, which is not in us?

JOB 15:9KJV
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What does Job 15:9 mean?

Job 15:9 is a challenge from Eliphaz to Job, asking what special knowledge or understanding Job claims to have that Eliphaz and his friends do not. Eliphaz is questioning whether Job possesses any wisdom or insight that is not already shared among them.

In this verse, Eliphaz, one of Job’s friends, is speaking directly to Job during their debate about suffering and wisdom. Eliphaz is frustrated with Job’s arguments and is essentially saying, “Do you know something we don’t? Is there some understanding you have that we lack?” This is part of Eliphaz’s attempt to put Job back in his place and defend the traditional wisdom of their time.

The Hebrew behind Job 15:9

  • The word “knowest” and “know” both come from יָדַע (yada‘), which means “to know” or “to perceive.” Eliphaz is not just asking about facts, but about deep understanding or insight.
  • The word “understandest” comes from בִּין (bin), which means “to understand” or “to discern.” This word often carries the sense of insight or the ability to see beneath the surface, so Eliphaz is questioning whether Job has a deeper discernment than the rest.

Why Job 15:9 matters

  • Job 15:9 highlights the tension between Job and his friends, who believe that wisdom is collective and traditional, not individual or new.
  • This verse shows Eliphaz’s skepticism toward Job’s claims and sets up the ongoing debate about the nature of wisdom and suffering in the book.
  • Understanding the original Hebrew words helps clarify that Eliphaz is challenging both Job’s knowledge and his ability to discern, not just his possession of information.