When injustice is at stake, moral judgements are not parochial.

@article{Piazza2016WhenII,
  title={When injustice is at stake, moral judgements are not parochial.},
  author={Jared R Piazza and Paulo Renato de Sousa},
  journal={Proceedings. Biological sciences},
  year={2016},
  volume={283 1823}
}