He paused for a while, sitting with his chin in his hand, his eyes staring at vacancy, whilst his brows were fixed.

His cigar was held limp between his fingers; he had apparently forgotten it.

In an even voice, as though commencing exactly where he had left off, he resumed his argument: "The other horn of the dilemma is a different affair altogether; and if we once enter on it we must leave everything in the shape of science and experience behind us.

I confess that it has its fascinations for me; though at every new thought I find myself romancing in a way that makes me pull up suddenly and look facts resolutely in the face.

I sometimes wonder whether the influence or emanation from the sick-room at times affects me as it did the others--the Detective, for instance.
Of course it may be that if it is anything chemical, any drug, for example, in vaporeal form, its effects may be cumulative.