Nine in the third place means:
The high plateau is dry and unsuitable for the wild goose. If it goes there, it has lost its way and gone too far. This is contrary to the law of development.
It is the same in human life. If we do not let things develop quietly but plunge of our own choice too rashly into a struggle, misfortune results. A man jeopardizes his own life, and his family perishes thereby. However, this is not all necessary; it is only the result of transgressing the law of natural development. If one does not willfully provoke a conflict, but confines himself to vigorously maintaining his own position and to warding off unjustified attacks, all goes well.