He pointed to the red light he had looked at.

"There?" I said.

Intently watchful of me, he replied (but without sound), "Yes."

"My good fellow, what should I do there? However, be that as it
may, I never was there, you may swear."

"I think I may," he rejoined. "Yes; I am sure I may."

His manner cleared, like my own. He replied to my remarks with
readiness, and in well-chosen words. Had he much to do there? Yes;
that was to say, he had enough responsibility to bear; but exactness
and watchfulness were what was required of him, and of actual work--
manual labour--he had next to none. To change that signal, to trim
those lights, and to turn this iron handle now and then, was all he
had to do under that head. Regarding those many long and lonely
hours of which I seemed to make so much, he could only say that the
routine of his life had shaped itself into that form, and he had
grown used to it. He had taught himself a language down here,--if
only to know it by sight, and to have formed his own crude ideas of
its pronunciation, could be called learning it. He had also worked
at fractions and decimals, and tried a little algebra; but he was,
and had been as a boy, a poor hand at figures. Was it necessary for
him when on duty always to remain in that channel of damp air, and
could he never rise into the sunshine from between those high stone
walls? Why, that depended upon times and circumstances. Under some
conditions there would be less upon the Line than under others, and