Like a number of 19th - century forebears, he wants to sever ethics from its religious base and reconstruct it on the new, more objective foundation of scientific knowledge. (religion-online.org)
In this way he undermines any connection between the rational basis of belief and action, suggesting that our universal concept of morality is entirely an illusion, practised by us as an accident of biological history, but without any real objective foundation. (faith.org.uk)
How could there be any objective foundation, any universal standard for good and evil? (religion.blogs.cnn.com)