“I don’t know but I’ve been told” he began, unwisely. He never got to continue his retelling of whatever fascinating anecdote he had in store, as a philosopher suddenly interjected himself into the situation:
“I must object to this proposed state of things. According the standard model, knowledge consists of true justified belief. Thus, you believing it after being told means that you do, in fact, know it. Yet here you are, maintaining that you do not know the thing, despite evidently being in the know. How do you account for this discrepancy?”
Bewildered, our protagonist stood silent for a moment, until he half-remembered something about togas and drinking parties. Inspired, he proclaimed:
“I don’t know”