The human condition is, however, that of possessing no moral safety net. No God, no scientific law, nor yet any amount of ethical concrete, can protect us from the dangers of falling off the moral tightrope that we are condemned to walk as human beings. It can be a highly disconcerting prospect. Or it can be a highly exhilarating one. The choice is ours.

Kenan Malik, in the final sentences of The Quest for a Moral Compass, a Global History of Ethics