I am, in spite of my advancement in electric science, nothing but a man, and am apt to be hampered oftentimes by my mortal trappings.

We have prolonged our conversation further than I intended.

I assure you it is better for you to try to sleep, even though, as I know, you feel so wide awake.

Let me give you a soothing draught; it will have the effect of composing your physical nerves into steady working order." He poured something from a small phial into a glass, and handed it to me.

I drank it at once, obediently, and with a smile.
"Good-night, my Master!" I then said.