Those who live in glass houses have been well warned.
As have those who are without sin.
Truth is, I'm unsure why we're cautioning only these demographics. Because bar the homely Kiwi habit of skimming pebbles across rivers, I struggle to think of a good reason for throwing stones.
More to the point, the wanton and continued terrorising of an elderly woman in Havelock North by a persistent unhinged rock throwing assailant is simply unfathomable.
Some idiot, or a thicket of idiots, has been hurling sizeable rocks at Violet Wheeler's home for the past seven weeks. The besieged pensioner now has a veritable geological collection on her dining room table.