"Kant, God, and Immortality" in Religion and Morality (Ashgate Publishing: 2005), p. 7.
The trouble with acting solely on the basis of natural incentives like sympathy is therefore this. The maxims which are guiding our actions are derived from desires which aren't shared by all (possible) rational beings, and thus can't be regarded as expressions of pure moral reason. ¶ Why does Kant adopt this position? A person's emotions, feelings, and inclinations are part of his or her biological inheritance. However admirable they may be, acts that are only expressions of feeling and inclination are acts of human animals, of beings caught up in the web of nature, locked into the system of natural causes and effects. When we act because we see that something is right, however, our behavior is an expression of our reason and will, of those aspects of ourselves which transcend nature. ¶ Two "worlds" or realities must be distinguished. The phenomenal world or world of appearances discloses itself in sense perception and is investigated by science. It includes observable substances, qualities, and events, and theoretical entities like subatomic particles which science postulates to explain them. "Behind" the world of appearances lies the noumenal world — reality as it is in itself, and not as it manifests itself to us. This world is inaccessible to theoretical reason and is therefore, in the strict sense, unknowable. But human beings belong to both worlds. As parts of nature, we are members of the phenomenal world, and our behavior can be explained in terms of natural causality. As free and rational beings, we are members of the noumenal world, and our actions are self-determined.
A Treatise of Human Nature (Longmans, Green: 1909), p. 245.
Examine it in all lights, and see if you can find that matter of fact, or real existence, which you call vice. In which-ever way you take it, you find only certain passions, motives, volitions and thoughts. There is no other matter of fact in the case. The vice entirely escapes you, as long as you consider the object. You never can find it, till you turn your reflection into your own breast, and find a sentiment of disapprobation, which arises in you, towards this action. Here is a matter of fact; but 'tis the object of feeling, not of reason. It lies in yourself, not in the object. So that when you pronounce any action or character to be vicious, you mean nothing, but that from the constitution of your nature you have a feeling or sentiment of blame from the contemplation of it. Vice and virtue, therefore, may be compar'd to sounds, colours, heat and cold, which, according to modern philosophy, are not qualities in objects, but perceptions in the mind: And this discovery in morals, like that other in physics, is to be regarded as a considerable advancement of the speculative sciences; tho', like that too, it has little or no influence on practice. Nothing can be more real, or concern us more, than our own sentiments of pleasure and uneasiness; and if these be favourable to virtue, and unfavourable to vice, no more can be requisite to the regulation of our conduct and behaviour.
Taking Darwin Seriously: A Naturalistic Approach to Philosophy (Prometheus: 1998), p. 253.
The Darwinian argues that morality simply does not work (from a biological perspective), unless we believe that it is objective. Darwinian theory shows that, in fact, morality is a function of (subjective) feelings; but it shows also that we have (and must have) the illusion of objectivity.
"A Moral Argument" in Passionate Conviction, eds. Paul Copan and William Lane Craig (B&H Publishing: Oct 1, 2007), p.85.
Yes, many naturalists deny that objective moral values exist — that our moral impulse is nothing more than the product of a blind evolutionary process that selects out traits that enhance survival and reproduction. I such a case, morality is merely subjective. However, non-theists can and do endorse objective moral values — that rape or child abuse is wrong. These nontheistic moral realists will tell us, "You don't need God to be good." Yet the deeper question is, how did we come to be morally responsible, rights-bearing beings? Since all human beings are God's image-bearers, they not surprisingly recognize the same sorts of moral values theist do. The basic issue, tough, is this: why think humans have rights and dignity if they're products of valueless, physical processes in a cause-and-effect series from the bing bang until now? The more plausible context or scenario is that human value and moral responsibility come from a good God who created us as intrinsically valuable, morally responsible creatures.
"Is Christianity Good for the World?", Christianity Today debate between Douglas Wilson and Christopher Hitchens. (May, 2007)
But it is interesting that the same thing happens to you when you have to give some warrant for trusting in "reason". I noted your citation of LaPlace in your book and am glad you brought him up here. LaPlace believed he was not in need of the God hypothesis, just like you, but you should also know he held this position as a firmbeliever in celestial and terrestrial mechanics. He was a causal determinist, meaning that he believed that every element of the universe in the present was "the effect of its past and the cause of its future."
"Truth Commissions and Judicial Trials" in The Provocations of Amnesty (New Africa Books: 2003) p. 69-70.
The agents of atrocities have a self-interest in keeping their acts invisible, buried, and publicly forgotten. The Nazis meant to plough under every death camp, and Himmler once consoled his SS cohorts that, while the German public would never know the full scope of their service to racial cleansing of the nation, they should always take pride in their work. In South African torture cells, the torturers taunted their victims with the prediction that, just as no one could hear their present screams, no one would remember them in the future either. The moral damages of amnesia are multiple: to victims, whose final indignity in survival or in death is to have their suffering forgotten; to perpetrators, whose moral health cannot be restored without confrontation of their immorality; and — not least — to a public that has every prudent self-interest in knowing enough about an evil past to be put on alert against its repetition.
Thomas Nagel on Ethics said...
The Last Word (New York: Oxford University Press, 1997), p. 103.
[J]ust as there was no guarantee at the beginning of cosmological and scientific speculation that we humans had the capacity to arrive at objective truth beyond the deliverances of sense-perception — that in pursing it we were doing anything more than spinning collective fantasies — so there can be no decision in advance as to whether we are or are not talking about a subject when we reflect and argue about morality. The answer must come from the results themselves. Only the effort to reason about morality can show us whether it is possible, whether, in thinking about what to do and how to live, we can find methods, reasons, and principles whose validity does not have to be subjectively or relativistically qualified.
First Knight, Lorne Cameron and David Hoselton, writers (Columbia Pictures: 1995) 00:56:26 mark.
You know the law we live by. And where is it written beyond Camelot live lesser people, people too weak to protect themselves, let them die? Malagant: Other people live by other laws, Arthur. Or is the law of Camelot to rule the entire world. King Arthur: There are laws that enslave men, and laws that set them free. Either what we hold to be right and good and true is right and good and true for all mankind, under God, or we're just another robber tribe. Malagant: Your words are talking you out of peace and into war. King Arthur: There's a peace you only find after war. If that battle must come. I will fight it!
Kai Nielsen on Ethical Certainty said...
Ethics without God, rev. ed. (Prometheus Books: 1990), 10-11.
It is more reasonable to believe such elemental things [as wife-beating and child abuse] to be evil than to believe any skeptical theory that tells us we cannot know or reasonably believe any of these things to be evil... I firmly believe that this is bedrock and right and that anyone who does not believe it cannot have probed deeply enough into the grounds of his moral beliefs.