There are hundreds of references on Science Blogs dot Com to the phrase “the plural of anecdote is not data“. They repeat it like a religious mantra to slap people down when they give examples of numerous personal experiences.
So what is the real quote? And why is it relevant?
"If you find from your own experience that something is a fact and it contradicts what some authority has written down, then you must abandon the authority and base your reasoning on your own findings"~ Leonardo da Vinci