Confucius asked his student, Zigong: “...Who do you think is wiser—the one working hard for himself, or the one nominating worthy officials to the government?” To this Zigong answered: “The one nominating worthy officials to the government is wiser.” Confucius said: “You are right.”
Scroll 10: Kong Zi Jia Yu
A loyal official will nominate a competent person for an important post even if that person is his foe. He will also dismiss an unscrupulous character from a task even if that person is his close relative.
Scroll 40: Han Zi