"In the next episode you’ll see two people draw a picture of an angel and notice when they do that they draw the angel from a particularly secular perspective. And I’m certainly not one to begin to criticise the religio-artistic viewpoint of my two charming volunteers but it does make you stop and think what spiritually vacuous times we live in when two young people instinctively draw an angel with a halo attached to the back of its head with a stick."