"a moral calling" is a correct and usable phrase in written English.
It can be used to describe a strong sense of duty or responsibility based on moral principles or values. Example: Many people feel a moral calling to donate to charitable organizations and help those in need.
Now Bush "has embraced Trump-bashing as a moral calling," Franklin Foer wrote in Slate.
What united us was a moral calling and a commitment to doing the right thing, recognizing the power we had as individuals coming together to act as one.
While some landlords see a business opportunity or even a moral calling in opening their doors to such a vilified population, many residents say the clusters threaten the safety of their children.
He saw it as a moral calling — "the theory of St. John Bosco is, take the kids from the city and help them" — but it was beginning to wear him out, and he thought more and more about retiring, to spend time with his nine-year-old twin boys, who play soccer.
Here we have a moral calling to the other's needs -- some belief that a rising tide lifts all boats -- baked right into the same document that codified the role of sovereignty itself.
He was a committed mentor who took the responsibility of mentoring almost as if were a moral calling.
That's a moral call, albeit a rather stupid one in my opinion.
It was a moral call to action, infused with an activist's rage.
That is a moral call, perhaps heroic, but certainly not one required or sanctioned by international law or covenants.
When it canceled "The Reagans," CBS said it was not responding to pressure, but making a "moral call".
This kind of religious message lacks a moral call to us as individuals and citizens to make our society a better place.
