Genesis 26:15-17

Young's Literal Translation

¹⁵ and all the wells which his father's servants digged in the days of Abraham his father, the Philistines have stopped them, and fill them with dust.

¹⁶ And Abimelech saith unto Isaac, `Go from us; for thou hast become much mightier than we;'

¹⁷ and Isaac goeth from thence, and encampeth in the valley of Gerar, and dwelleth there;