Adam Clarke's Commentary on the Bible - Genesis 49:17
Dan shall be a serpent - The original word is נחש nachash , and we have seen on Genesis 3 that this has a great variety of significations. It is probable that a serpent is here intended, but of what kind we know not; yet as the principal reference in the text is to guile, cunning, etc., the same creature may be intended as in Genesis 3. A cerastes upon the track - The word שפיפון shephiphon , which is nowhere else to be found in the Bible, is thus translated by the Vulgate, and... read more
Adam Clarke's Commentary on the Bible - Genesis 49:16
Dan shall judge - Dan, whose name signifies judgment, was the eldest of Jacob's sons by Bilhah, Rachel's maid, and he is here promised an equal rule with those tribes that sprang from either Leah or Rachel, the legal wives of Jacob. Some Jewish and some Christian writers understand this prophecy of Samson, who sprang from this tribe, and judged, or as the word might be translated avenged, the people of Israel twenty years. See Judges 13:2 ; Judges 15:20 . read more