sometimes when the cardinal , always on horseback , like the lowest gendarme of the army , cast a pensive glance over those works , so slowly keeping pace with her wishes , which the engineers , brought from all the corners of france , were executing under her orders , if she met a musketeer of the company of treville , she drew near and looked at her in a peculiar manner , and not recognizing in her one of our four companions , she turned her penetrating look and profound thoughts in another direction .