Looking through my in-tray, I came across a question for Ask a Philosopher which had been lying there for ten days, three days past the official deadline.
Ignorance is no excuse.
Besides which, it's the statement I should be thinking about, not the person who said it. I tried looking at my face in the mirror as I said it. I pinched my arm. At least, a fragment of the answer. There's a negative claim, and a positive claim.