The system which had addressed him in exactly the same manner as it had addressed hundreds of other boys, all varying in character and capacity, had enabled him to dash through his tasks, always with fair credit and often with distinction, but in a fitful, dazzling way that had confirmed his reliance on those very qualities in himself which it had been most desirable to direct and train. 
His education had enabled him to dash through his tasks with fair credit, and often with distinction, but in a fitful, dazzling way that had confirmed his reliance on those very qualities which it was most desirable to train. 