Nine in the second place means

To bear with fools in kindliness brings good fortune.

To know how to take women brings good fortune.

The son is capable of taking charge of the household.

These lines picture a man who has no external power, but who has enough strength of mind to bear his burden of responsibility. He has the inner superiority and that enable him to tolerate with kindliness the shortcomings of human folly. The same attitude is owed to women as the weaker sex. One must understand them and give them recognition in a spirit of chivalrous consideration. Only this combination of inner strength with outer reserve enables one to take on the responsibility of directing a larger social body with real success.