To be watchful, I decided, was my business. And I could not get rid of the feeling that I might soon have cause for all my vigilance. - John Buchan

He had never been lonely in his life before he met her, having at the worst found good company in himself; but now he longed for a companion, and out of all the many millions of the earth's inhabitants there was only one that he wanted.

Supposing you knew — not by sight or by instinct, but by sheer intellectual knowledge, as I know the truth of a mathematical proposition — that what we call empty space was full, crammed. Not with lumps of what we call matter like hills and houses, but with things as real — as real to the mind.

I gathered from Hollond that he was always conscious of corridors and halls and alleys in Space, shifting, but shifting according to inexorable laws. I never could get quite clear as to what this consciousness was like. When I asked he used to look puzzled and worried and helpless.