“If moral truths do not exist as a foundation for law, then law itself becomes merely a system of raw political power accountable to no one.”

“The claim 'God does not exist' is just as much a claim to know something as saying 'God does exist,' meaning the atheist needs just as much substantiation for his claim as the theist does for his.”

“While we are actually subjected to them, the 'moods' and 'spirits' of nature point no morals. Overwhelming gaiety, insupportable grandeur, sombre desolation are flung at you. Make what you can of t...”

“...[N]ature generally in the distribution of her capacities has adapted the means to the end... [so nature's] true destination must be to produce a will, not merely good as a means to something els...”

“Morality is simply the attitude we adopt towards people we personally dislike.”