If the assumption is correct that most people think ethical principles should be consistent,  evolutionary thinking challenges ethics because..

While Kant’s thoughts “proved” you could know  things of the phenomenal or natural world  with certainty they also suggested you could not know things beyond the natural world, like moral law even though he believed there was moral law. 

The Ontological argument for the existence of God suggests..

At times, people seem to hold to or accept ideas that actually conflict with each other.   Since thought has consequence, an educated and intelligent person should recognize these conflicts and sort them out.

When thinking about ethics, what does the term “deference” mean?

A person need not be religious to also be moral.  However,  in Western societies…

Theodicy is the term that expresses this question…

Some people accept the notion of Natural law as coming from God while others accept the notion of natural law without God as its source. 

Aquinas thought God’s laws were incorporated into nature.  This is the basis for his idea of ….

David Hume thought ……