Keep away from it!" "Very well, then," said Jennie, stepping back in spite of her endeavour to maintain her self-control; "open the door.

Open both doors and leave them so.

After that, if you remain seated in your chair, I shall not touch the machine, nor shall I leave until I make the explanations you require, and you have answered some questions that I shall ask.

But I must have a clear way to the stair, in case you should become excited again." "I'll unlock the doors; I'll unlock both doors," replied the old man tremulously, fumbling about in his pockets for his keys.

"But keep away from that machine, unless you want to bring swift destruction on us all." With an eagerness that retarded his speed, the Professor, constantly looking over his shoulder at his visitor, unlocked the first door, then hastily he flung open the second, and tottered back to his chair, where he collapsed on the tiger skin, trembling and exhausted.
"We may be overheard," he whined.