For a time he sat in blank silence. "But how can we escape?" he asked, suddenly. "They are invulnerable, they are pitiless." "Neither the one nor, perhaps, the other," I answered. "And the mightier they are the more sane and wary should we be. One of them was killed yonder not three hours ago." "Killed!" he said, staring about him. "How can God's ministers be killed?" "I saw it happen." I proceeded to tell him. "We have chanced to come in for the thick of it," said I, "and that is all."