I do see one large and grievous kind of ignorance, separate from the rest, and as weighty as all the other parts put together. Thinking that one knows a thing when one does not know it. Through this, I believe, all the mistakes of the mind are caused in all of us.

Another quote →

More quotes by Plato

All Plato quotes →

Attribution

Quote text and notes from Wikiquote: Plato (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.