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References in classic literature ?
The Crofts took possession with true naval alertness, and were to be visited.
The lamp beat upon his face, and so intent was it and so still that it might have been that of a clear-cut classical statue, a personification of alertness and expectation.
Fisher had listened to all these futilities with inward impatience, waiting for his own opportunity, and when the host rose he sprang to his feet with an alertness he rarely showed.
Zeena had an air of unusual alertness and activity.
There was, moreover, a certain alertness in her expression rarely found in the feminine population of Millbourne, who were apt to be slightly bovine.
As Holmes drew the curtain I was aware, from some little rigidity and alertness of his attitude, that he was prepared for an emergency.
A large scale map of Goat Island marked with red and blue lines to show these strategic movements would no doubt have displayed much interlacing, but as a matter of fact neither side saw anything of the other throughout that age-long day of tedious alertness.
That feeling of alertness and of readiness for anything was still further strengthened in him by the high opinion his fellow prisoners formed of him soon after his arrival at the shed.
It seemed to her that Katharine possessed a curious power of drawing near and receding, which sent alternate emotions through her far more quickly than was usual, and kept her in a condition of curious alertness.
With that alertness of the senses which is at once the marvel and despair of civilised peoples, they knew that the pirates were on the island from the moment one of them trod on a dry stick; and in an incredibly short space of time the coyote cries began.
Only a slight narrowness of the eyes and a greater alertness of movement seemed to distinguish him in any way, as regards nationality, from the men by whom he was surrounded.
He had straightened himself wonderfully, and there was a new alertness in his manner.