Jerusalem seemed secure since it was surrounded on three sides by steep valleys, and the north side, according to first - century historian Josephus, was protected by a triple wall.
लेकिन एक शरण - स्थान को उसकी सुरक्षा बनाए रखने के लिए दीवारों और शस्त्रों से अधिक की ज़रूरत होती है ।