We have such a moral obligation; most people believe that.
We can't have moral obligations to every single person in this world.
Second, does he have a moral obligation to me as his student?
I think that the state of Israel has a moral obligation toward these people.
A hospital has a moral obligation, not just a legal one, to act in the best interests of society, they say.
We have a social and moral obligation to these people.
As a state we have the moral obligation to help save our children.
"They had a moral obligation to let people know the truth," he said.
"The town has a moral obligation to look into this."
"There was a moral obligation for the company to step up."