Sefer Ha-yashar, or, the Book of Jasher…
“ And Isaac returned with his wife to the king's house, and the Lord was with Isaac and he continued to wax great and lacked nothing.12 And the Lord caused Isaac to find favor in the sight of Abimelech, and in the sight of all his subjects, and Abimelech acted well with Isaac, for Abimelech remembered the oath and the covenant that existed between his father and Abraham.13 And Abimelech said unto Isaac, Behold the whole earth is before thee; dwell wherever it may seem good in thy sight until thou shalt return to thy land ”
