“No weapon formed against you shall prosper, And every tongue which rises against you in judgment You shall condemn. This is the heritage of the servants of the LORD, And their righteousness is from Me,” Says the LORD.   Isaiah 54:17

All the Kassams fired, though they do damage both to people and property, they will not prosper, nor will those who fire them. G-D has promises. “This is the heritage of His servants”. The  question then is are you His servant?