"I find that my success comes from my clients being happy with my work. I always find ways I can improve my writing, but once someone tells me my writing makes them happy, I know I have accomplished my goal, and this is rewarding."
The candidate should discuss what makes them feel accomplished in the job and why this is rewarding to them. The interviewer wants to know in what ways the candidate will strive to do their best work and what will keep them motivated to keep going. The candidate should discuss this and talk about what they consider a good reward for their work.
"There have been times that I wanted to prove to my bosses that I could take on lots of work at a time, but overloaded myself in the end and it affected my ability to do good work. Over time I have learned to be patient and not overload myself."
The candidate should discuss a time where their ability to hold back or refrain from overstepping their boundaries in the job was tested. They should discuss why this happened and how they remedied the situation. This demonstrates that the candidate knows their limits on the job, and despite wanting to strive on a job, holding back when knowing that they are pushing too much.