Therefore (so) that thou mayest overcome them without (the) assailing of battle, set thou [or put] keepers of (or about) their wells, (so) that they draw not water (out) of those; and thou shalt slay them without sword, either certainly when they be made faint [or wearied] for default of water, they shall betake to thee their city, the which city, for it is set in the hills, they guess it may not be overcome.