Bible Verses About Walls: Danger of approaching too near to, in time of war

And if the kings anger arise, so that he say vnto thee, Wherefore approched ye vnto the citie to fight? knewe ye not that they would hurle from the wall?

Who smote Abimelech sonne of Ierubesheth? did not a woman cast a piece of a milstone vpon him from the wall, and he died in Thebez? why went you nie the wall? Then say thou, Thy seruant Vriah the Hittite is also dead.