two o'clock on the 7th of September
he murmured , hopelessly . `` Oh , my God ! what have I done ? '' `` At two o'clock on the 7th of September last , '' continued the pitiless , accusing voice , `` George Talboys was seen alive and well at a house in Essex . '' Robert paused to see the effect of these words . They had produced no change in the old man . He still sat trembling from head to foot , and staring with the fixed and solid gaze of some helpless wretch whose every sense is gradually becoming numbed by terror .