I must go, and go at once.

Besides--a lonely man as I am must not risk his nerve.

His task is set him, and there are none to stand by him if he fails." She trembled all over.

Weariness and excitement made normal self-control almost impossible.
"Well, then, I must say thank you," she said indistinctly, "for you have taught me a great deal." "You will unlearn it!" he said gaily, recovering his self-possession, so it seemed, as she lost hers.

"Besides, before many weeks are over you will have heard hard things of me.