From Roots of Despair, Chapter 3
Evolution and Morality –
The Ultimate Oxymoron
An oxymoron is a combination of words that don’t make sense together. For example, "honest liar", or "gentle torturer". Evolutionary morality is another of these nonsense phrases, as the theory absolutely precludes the existence of a true morality.
We find, though, that among humans there is a nearly universal belief that this "true" morality actually does exist. There is a nearly unanimous agreement that there are things – actions, deeds and thoughts – that are inarguably good, and those that are eternally evil. We may not concur on what they are specifically, but we seem to agree that they exist generally. Even among the most jaded, materialistic humans, there is a concerted, time-consuming, philosophical effort to construct a system of ethics that doesn’t require divine revelation, yet seems to encompass a morality that most people believe already exists: It is wrong to kill another human indiscriminately; it is wrong to steal another human’s food; it is wrong to lie; it is wrong or right to perform a host of actions – sometimes even to think of them, as in the current political fad of "hate crimes", for example.
The insurmountable problem that evolutionists face when attempting to construct such a system of ethics has already been mentioned in passing: If evolution is true, then what we call morality (or the "moral sense", or any other metaphor one cares to place on this common human attribute) is merely the result of millions of purely random changes in our genetic makeup. The simple, inescapable fact of the matter is that organisms which had this particular component of their DNA tended to propagate that DNA more successfully than those which did not, and therefore, the vast majority of homo sapiens have this core set of beliefs ingrained into the most intimate parts of their beings. This means that they are not "real", in the sense of being true, but are, instead, merely artifacts of a past that we do not remember and cannot rationally access.
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The very premises of evolution deny that there is even the slightest possiblity that such a morality exists. By definition, the "moral sense" (or whatever term you care to use) is merely an artifact of genetic errors that occurred in ages past, and is only present in our species because it somehow helped our progenitors to survive and pass those errors on to those of us alive today.
This completely robs our common notions of morality of any possibility of truth! Again by definition, anything that is the result of millions of random errors in the replication of a complex protein merely is. What it is not, and can never be, is true.
All of this is supremely obvious and easy to prove, but the implications are far-reaching and rarely considered. To investigate some of these implications, read Roots of Despair and discover "The Tragedy of What Is", and "The Moral Corollary to The Anthropic Principle". The results will be illuminating.