1.   But what would transform it from an externally enforced to a moral obligation?

2.   First, do states in fact have moral obligations?

3.   If evolution has hard-wired into us a belief that there are objective moral obligations, then we will believe that there are.

4.   If you have a pet, you have a moral obligation to take care of it.

5.   It is much easier to bury a problem than to consider whether our moral obligation lies elsewhere.

6.   University officials have displayed no sense of moral obligation toward a female student cast aside in the rush to pander to Phillips.

7.   We have a moral obligation to take care of our environment.

8.   I have an ethical and a moral obligation to my client.

9.   She believes that all people have a moral obligation to defend human rights.