They that sanctify themselves, and purify themselves in the gardens behind one tree in the midst, eating swine's flesh, and the abomination, and the mouse, shall be consumed together, saith the LORD.

ISAIAH 66:17KJV
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What does Isaiah 66:17 mean?

Isaiah 66:17 describes people who try to make themselves holy by their own rituals, gathering in gardens and eating foods that were forbidden by Israel’s law, such as pork and mice. God says these people will all be destroyed together because their actions are detestable to Him.

In this verse, the prophet Isaiah is speaking God’s words to the people of Israel near the end of the book. The setting is a warning against those who mix pagan practices with attempts at self-purification, especially by participating in ceremonies in gardens and eating unclean animals. The verse highlights that outward rituals and ignoring God’s commands cannot make someone truly holy.

The Hebrew behind Isaiah 66:17

  • "Sanctify" (קָדַשׁ, qadash) and "purify" (טָהֵר, taher) both mean to make oneself holy or clean, but here they are done by the people themselves, not by God’s instruction, showing self-made religion.
  • "Gardens" (גַּנִּים, gannim) refers to places often used for idol worship in Isaiah’s time, not just ordinary gardens.
  • "Abomination" (שֶׁקֶץ, sheqets) is a strong word for something detestable or ritually unclean, emphasizing how offensive these actions are to God.
  • "Consumed" (סָפָה, safah) means to be swept away or destroyed completely, stressing the seriousness of the warning.

Why Isaiah 66:17 matters

  • Isaiah 66:17 clears up that not all religious acts are pleasing to God—rituals mixed with disobedience or pagan customs are condemned, even if they look spiritual.
  • The verse emphasizes that God cares about the heart and obedience, not just outward shows of holiness.
  • This warning connects to the wider theme in Isaiah 66, where God contrasts true worship with false, self-made religion, pointing to the need for genuine faithfulness.