he frequently lectures on church/state separation issues and his participation in interfaith forums provides him with the opportunity to clarify the humanist perspective. in a las vegas review-journal article, lipman stated: "my biggest concern is to counter the propaganda from people who think that people who don't believe in a supernatural deity cannot live moral, ethical lives." lipman says his top priority "is to change people's attitudes about humanists". "it is not ok", says lipman, in the review-journal article, "to discriminate against somebody simply because they do not believe in god".