Experience can be merely the repetition of same error often enough.
Notes from Wikiquote
Prof. Azzopardi was speaking about subtle problems in diagnosis of carcinoma of the breast, but his observation has a much larger significance.
Quote text and notes from Wikiquote: John G. Azzopardi (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.