“But how common, in antiquity, are the fundamental tenets of humanism: that humans — no matter their sex, their place of origin, their class — are all of equal value; and that those who walk in darkness must be brought into light? Not common at all, I would say.

To live in a Western country is to live in a society that for centuries — and in many cases millennia — has been utterly transformed by Christian concepts and assumptions. So profound has been the impact of Christianity on the development of Western civilisation that it has come to be hidden from view.

Yet to believe in the existence of human rights requires no less of a leap of faith than does a belief in, say, angels, or the Trinity. The origins of the concept lie not in “the application of the methods of science” so prized by the Amsterdam Declaration but in medieval theology.”