Nine at the top means

The source of nourishment.

Awareness of danger brings good fortune.

It furthers one to cross the great water.

This describes a sage of the highest order, from whom emanate all influences that provide nourishment for others. Such a position brings with it heavy responsibility. If he remains conscious of this fact, he has good fortune and may confidently undertake even great and difficult labors, such as crossing the great water. These undertakings bring general happiness for him and for all others.