The duty of an officer, the most imposing of all others to the inexperienced mind, because accompanied with so much outward pomp and circumstance, is in its essence a very dry and abstract task, depending chiefly upon arithmetical combinations, requiring much attention, and a cool and reasoning head, to bring them into action.

Our hero was liable to fits of absence, in which his blunders excited some mirth, and called down some reproof.

This circumstance impressed him with a painful sense of inferiority in those qualities which appeared most to deserve and obtain regard in his new profession.

He asked himself in vain, why his eye could not judge of distance or space so well as those of his companions; why his head was not always successful in disentangling the various partial movements necessary to execute a particular evolution; and why his memory, so alert upon most occasions, did not correctly retain technical phrases, and minute points of etiquette or field discipline.
Waverley was naturally modest, and therefore did not fall into the egregious mistake of supposing such minuter rules of military duty beneath his notice, or conceiting himself to be born a general, because he made an indifferent subaltern.

The truth was, that the vague and unsatisfactory course of reading which he had pursued, working upon a temper naturally retired and abstracted, had given him that wavering and unsettled habit of mind, which is most averse to study and riveted attention.