Because we use reason to analyze a moral act from different aspects and make opposite conclusions, moral paradox comes forth.

道德悖论的出现，主要是因为人们运用理智，从不同的方面对于同一个道德行为进行分析，从而得出了相互对立的结论。

youdao

If we perceive it and act, then there is a voluntary, true, moral act.

如果我们觉察到了这一点并有所作为，就会有自发的，真正的，道德的行动。

youdao

The difference between a moral man and a man of honour is that the latter regrets a discreditable act even when it has work.

有道德的人与君子之间的差别是，即使在干了丢脸的事情而不为人所察觉，后者也会后悔的。

youdao

"As the only nuclear power to have used a nuclear weapon, the United States has a moral responsibility to act.

VOA: special.2009.04.11

Why does an act of consent make such a moral difference, that an act that would be wrong taking a life without consent, is morally permissible with consent?

为什么征得了同意，就能在道德上如此不同呢，没有征得同意就杀人，在道德上是不允许的，征得同意就是允许的吗？

耶鲁公开课 - 公正课程节选

But he also obviously writes that we are beings with will and purpose who are uniquely guided by opinions, ideas, and doctrines and it is in many ways the first business of the sovereign to act as a moral reformer of ideas.

但他同时也写道,我们是有意志和目标的生物,是唯一由言论，思想和各种学说，所引导的物种,而这正是给君主作为思想道德改造者,的存在提供了可能性。

耶鲁公开课 - 政治哲学导论课程节选

The freedom to act and a stern moral obligation to act in certain ways were seen as two sides of the same American coin.

WSJ: Charles Murray: Why Capitalism Has an Image Problem

He said: "We have a moral obligation to act on climate change and influence others worldwide to do the same".

BBC: 'UN Climate Summit' debate 2

"The U.S. has a moral duty to act ... we are waiting for the next steps, " he told The Associated Press by phone from Istanbul.

NPR: Syrian Troops Capture Key Town Near Damascus