Her other suggestions, which she expounds upon in greater detail, are well worth reading. Summer associates who don't get invited back, and new associates who are invited to leave, have every bit the intelligence and legal skills enjoyed by their successful colleagues. The difference comes down to being a good employee. Good employees are more than technically proficient. They possess a cluster of other qualities.
Good employees demonstrate a strong work ethic.
They are enthusiastic and upbeat. They are confident and self-reliant. They respect the needs of their co-workers and of the organization as a whole. Legal employers seek law students and lawyers who throw themselves into their work. Many employees understand this, but some don't.