Could you say any more on how one discovers whether a task is laid on one by God, or whether it comes in some other way? If we cannot distinguish between the pleasant and the unpleasant things, it is a complicated matter.
We are guided by the ordinary rules of moral behaviour, which I think are more or less common to the human race and quite reasonable and demanded by the circumstances. I don’t mean anything like sitting down and waiting for a supernatural vision.
"Answers to Questions on Christianity," God in the Dock (Eerdmans: 1970) 54-55.