Boundless compassion for all living beings is the surest and most certain guarantee of pure moral conduct, and needs no casuistry.
对所有生灵无尽的同情，是一个人的行为纯粹合乎道德的最可靠、最被期许的证明，并且不需要辩解。
2
This is unconvincing casuistry to those who see the purpose as simply lowering yields for countries that have lost the confidence of investors.
对那些认为欧洲央行的目的仅仅是压低那些失去投资者信心国家收益率的人来说，这是无法让人信服的诡辩。
3
On a "bottom up" alternative drawn from Medieval casuistry, it is richly described paradigm cases, not principles, that have the central role in moral reasoning.