lesson learned

lesson learned

A lesson learned is a generalization which does not refer to a specific circumstance but to a class of situations. It points out what is very likely to happen and/or on what should be done in order that something will take place (or to prevent it). Note that lessons learned are not merely experience. It is the outcome of a learning process, which involves reflecting upon the experience. Neither an accumulation of facts or findings nor an accumulation of evaluations will, by itself, yield lessons. The lessons have to be produced (distilled or extracted) from the experience.

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