This past week, I’ve discovered the Christmas responsorial chant O magnum mysterium. It celebrates the presence of animals at the birth of Jesus, notably the ox and the ass (extrapolated from Isaiah 1:3 and part of the Septuagint’s translation of Habakkuk 3:2: ‘you shall be known between the two living creatures’). My simple reflection is this: O magnum mysterium, though a Christmas chant, allows us to recognise that during the advent season, it’s not just humanity that waits for the One to come; it’s the whole of created reality, beasts included. Jesus comes as Messiah of all, as the high priest of creation. An obvious point, perhaps, but one seldom emphasised.