Fr Ripperger explains the three determinants of the moral quality of our actions. Those three are: the object, the circumstances and the intention. Fr Ripperger explains how this relates to the moral problems of using aborted fetal vaccines. Begin at the 11:46 mark….about 4 mins. (Other good info on the video as well!) https://www.youtube.com/watch?v=mfRvMqxWLlA