1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
22:5And Gad the prophet saith unto David, `Thou dost not abide in a fortress, go, and thou hast entered for thee the land of Judah;' and David goeth and entereth the forest of Hareth.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.