The moral principle behind such an aim is that favoring liberty means, by and large, favoring independence.

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But as to which principle has the higher moral claim, no simple rule provides an answer.

ECONOMIST: Lexington

The other is the unity (and moral equality) of the entire human race, a bedrock principle of liberalism.

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This would recognise that moral imperatives might sometimes override the principle of non-interference in a state's internal affairs.

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We need to believe that people have a sense of duty born of moral and ethical principle rather than the law.

BBC: UK

This also starts to get into another principle: Moral Hazard, the idea that if there are no perceived consequences to an action, we slack off.

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Mr. Obama endorsed the political ruse he calls the Buffett rule, which asserts as a matter of moral principle that millionaires should not pay a lower tax rate than middle-class wage earners.

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