...And all the while madame was studying him attentively with those gentle, wistful eyes, until again that sense of uneasiness began to pervade him... 
Rafael Sabatini 「Scaramouche」
...We have in this spectacle anotherexample of the unity which seems to pervade the system...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
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