Those who can neither do nor teach, evaluate.
Quote by Edward A. Murphy about medicine
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Murphy's Laws
![Those who can neither do nor teach, evaluate. - Edward A. Murphy, quote about medicine](/imgupl/quote-photostock/11490p70.jpg)
Those who can neither do nor teach, evaluate.
Edward A. MurphyQuote by Edward A. Murphy about medicine.
Those who can neither do nor teach, evaluate.
Edward A. Murphy