Nigeria, April 21 -- Ethics as a concept for study is deceptively simple. Buju Banton - Jamaican dancehall, ragga, and reggae singer - in his 1997 track, "Destiny", put the matter tersely: "There was good and evil/We chose good". On the strength of this reading, all conduct may therefore be considered ethical that prioritises "good" over "evil". Even this understanding takes place within a very narrow construction of the concept, however, and this is the point of all scripture - in addition, that is, to the rewards that a generous deity offers those who genuinely trust and obey. More broadly, though, there are few ideas more convoluted than those that one grapples with when one tries to take on a debate on ethics. After all, "good" and "e...