At http://news.ycombinator.com/item?id=1266502 http://news.ycombinator.com/item?id=1266502 someone cites a particular occasion on which Knuth supposedly denied

At http://news.ycombinator.com/item?id=1266502 http://news.ycombinator.com/item?id=1266502 someone cites a particular occasion on which Knuth supposedly denied the story. As I remarked then, "full of shit" seems quite an unknuth expression.