‘Advent’ by Donald Hall

When I see the cradle rocking
What is it that I see?
I see a rood on the hilltop
Of Calvary.

When I hear the cattle lowing
What is it that they say?
They say that shadows feasted
At Tenebrae.

When I know that the grave is empty,
Absence eviscerates me,
And I dwell in a cavernous, constant
Horror vacui.

(via Poetry Foundation)