Full of wise saws and moral instances

He's been in again, with the poor new bods in tow. This time to show them round the computer store room (I'm not making any of this up). He's showing them "the server" (the network hub and central heating unit).

"Every so often the shopping centre toilets that are immediately upstairs overflow and the water runs through the ceiling. It isn't often that noxious materials come through."

I can't think what sort of an impression that made!