Answer:
Conscientiousness
Step-by-step explanation:
Conscientiousness: In psychology, the term "conscientiousness" is one of the different types of personality traits. An individual who is conscientiousness is considered diligent, and careful. It implies an individual's desire to lead a particular task well and properly and to take any obligations related to others seriously. An individual who's high on conscientious tends to be organized, efficient.
In the question above, the given statement signifies "conscientiousness" is most important to carry out the given task successfully.