I agree about Shaw - he is haunted by the mystery he flouts. He is an atheist who trembles in the haunted corridor.

Mock mockers after that That would not lift a hand maybe To help good, wise or great To bar that foul storm out, for we Traffic in mockery.

... Let the cage bird and the cage bird mate and the wild bird mate in the wild.

When such as I cast out remorse; So great a sweetness flows into the breast; We must laugh and we must sing, We are blest by everything, Everything we look upon is blessed.

On limestone quarried near the spot By his command these words are cut: Cast a cold eye On life, on death. Horseman, pass by!

In dreams begin responsibilitiy.

The unpurged images of day recede; The Emperor's drunken soldiery are abed; Night resonance recedes, night-walkers' song After great cathedral gong.