a familiar gait, and more than once he experienced vividly again the odd sensation that it all had happened before. The very sentences and phrases with which she pointed the turns of her unusual ideas were never wholly unexpected.
For her ideas were decidedly unusual, in the sense that she accepted without question speculations not commonly deemed worth consideration at all, indeed not ordinarily even known. Henriot knew them, because he had read in many fields. It was the strength of her belief that fascinated him. She offered no apologies. She knew. And while he talked, she listening with folded arms and her black eyes fixed upon his own, Richard Vance watched with vigilant eyes and listened too, ceaselessly alert. Vance joined in little enough, however, gave no opinions, his attitude one of general acquiescence. Twice, when pauses of slackening interest made it possible, Henriot fancied he surprised another quality in this negative attitude. Interpreting it each time differently, he yet dismissed both interpretations with a smile. His imagination leaped so absurdly to violent conclusions. They were not tenable: Vance was neither her keeper, nor was he in some fashion a detective. Yet in his manner was sometimes this suggestion of the detective order. He watched with such deep attention, and he concealed it so clumsily with an affectation of careless indifference.
There is nothing more dangerous than that impulsive intimacy strangers sometimes adopt when an atmosphere of mutual sympathy takes them by surprise, for it is akin to the false frankness friends affect when telling 'candidly' one another's faults. The mood is invariably regretted later. Henriot, however, yielded to it now with something like
