“. . . . The haunting memory of the Somme, those ghosts of young men treading their pale way through the substantial virility of its wheel-choked arteries . . . . moving like chain gangs dragging invisible chains.

“They came back, these pioneers of the liberties of the world, with them still the eternal mystery of no man’s land, men walking in their sleep . . . . young men bearded like unshorn Andalusians, and garbed like ragged adventurers of another age . . . . companions of a new Marco Polo returned from gazing on strange and terrible lands.”