The Do No Harm principle is a bedrock of ethics courses every would-be medical, nursing, dental and pharmacy student must take to graduate.

CNN: DJs broke 'Do No Harm' rule

Of course, terrorists, dictators and other despots violate the Do No Harm principle regularly, which is why it makes sense to speak of just wars.

CNN: DJs broke 'Do No Harm' rule

"I would just say 'do no harm' is the first principle if you're healthy, " Mr. Kristol said in an interview.

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The ethical principle at the heart of this policy is simple: Do No Harm.

CNN: DJs broke 'Do No Harm' rule

As has been thoroughly documented by Lawrence Kogan of the Institute for Trade, Standards and Sustainable Development, the marine environmental protection requirements emanating from LOST are rooted in the European-derived "precautionary principle, " a legal tenet requiring assurance that a proposed action will cause no harm to the environment before proceeding.

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