even though the chance of this catastrophe was small…

Page 84 even though the chance of this catastrophe was small it was clearly worth taking substantial safety precautions . The Fukushima safety engineers were trying to prevent harm with their safety assessment, and they failed by ignoring an important, low probability event. In just the same way, when, trying to do good, we need to be sensitive both to the likelihood of success and the value of that success.

— from Goals, Action & Defining Success (Goal/Action/Success/Motivation)

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