Agur
Agur ben Jakeh (Hebrew: אגור בן יקה) was the compiler of a collection of proverbs found in Proverbs 30, which is sometimes known as the Book of Agur or Sayings of Agur. The initial text of the chapter runs as follows (JPS translation), and bears great similarity to Isaiah 40:12-14. This translation is not universally accepted as correct; see below.
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