If we are to work towards an objective understanding of morality, and more specifically a scientific understanding that justifies thinking of moral codes as being good or bad, then the best way to start is to perceive morality through an evolutionary lens. Let’s assume for the sake of argument—as surely we must—that there is nothing about our human morality (taking certain precepts, like “thou shalt do no murder”, and so on, as being broadly representative of this) that is superior or inferior to the morality of other species, real or imagined. We only really need one assumption to compare different moral systems in a way that affords no room for subjectivity: they all evolve, and those that are unsuccessful will not last very long. [Read more →]