Hexagram 43, Breakthrough (Resoluteness). The Sequence of Hexagrams says: 'Increase without ceasing surely brings a breakthrough; hence it is received by Breakthrough. Breakthrough means to decide and resolve.'
When increase reaches its limit, a breakthrough must occur before it stops; by principle, there is no eternal increase—increasing without stopping ends in breakthrough. This is why Breakthrough follows Increase. As a hexagram, it has Dui above and Qian below.
In terms of the two constituent trigrams, a lake is a gathering of water, which here ascends to the highest place, bearing the image of breaching and breaking through.
In terms of lines, five yang lines below are growing toward their peak, while one yin line above is waning toward extinction. The multitude of yang advances upward to breach and remove the single yin; this is why it is Breakthrough.
Breakthrough means resolute decision by firmness: the multitude of yang advances to decide and expel the single yin, representing the time when the Dao of the noble person grows while the petty person wanes and nears extinction. Peril.
When petty persons are in their ascendancy, the Dao of the noble person has not yet prevailed; how could he openly use the correct Dao to purge them? Thus he bides his time in obscurity, gradually devising the means to erode them.
Now that petty persons have declined and the Dao of the noble person flourishes, it ought to be openly practiced in the public court, making people clearly distinguish between good and evil; hence 'it is proclaimed at the royal court.'
Sincerity in the center represents sincere intent. 'Hào' is the word for commanding the multitude.
Though the Dao of the noble person is flourishing, he dares not forget vigilance and preparedness; thus with utmost sincerity he commands the multitude, making them aware that peril still exists.
Even though one uses supreme strength to break through their extreme decline, if one treats it lightly and lacks preparedness, unexpected regrets will follow; this is why the principle of peril still exists. With a vigilant and apprehensive heart, there will be no calamity.
The sage's intent in setting up this admonition is profound. When the noble person governs the petty person because of the latter's unworthiness, he must overcome and transform him using his own good Dao.
Therefore, when the sage punishes disorder, he must first cultivate himself, just as Shun spread civil virtue. 'Settlement' refers to one's private domain; 'making proclamation from one's own settlement' means first governing oneself.
With the vigor of many yang breaking through one yin, power is certainly more than sufficient, yet one must not push firmness to an extreme. Going too far would be like Nine at the Top of Youthful Folly acting as a bandit.
Weapons and soldiers are instruments of violent force; 'it is unfavorable to resort to arms' means one should not favor martial force. 'Jí' means to follow; following weapons means exalting violence.
'Advantageous to have somewhere to go': although yang is abundant, it has not yet reached the very top; although yin is slight, it has not yet been removed.
This means petty persons still exist, and the Dao of the noble person has not yet reached perfection; hence it is fitting to advance forward. Not exalting firm force while allowing the Dao to advance further—this is the goodness of Breakthrough.
The Tuan Commentary says: 'Guai means breakthrough; the firm breaks through the yielding. Strong and joyous, resolute yet harmonious.' Guai means breakthrough: five yang lines break through the single yin above.
'Strong and joyous, resolute yet harmonious' speaks of the hexagram's qualities through its two trigrams. Below is strong, and above is joyous; being strong yet capable of joyous pleasing, resolute yet capable of harmony—this is the utmost goodness of breakthrough.
Dui's joy brings harmony. 'At the royal court: the yielding rides on five firm lines.' Although the yielding is waning, it still sits above five firm lines, retaining the image of riding and encroaching. For yin to ride upon yang is the height of unreason.
When the noble persons' momentum is sufficient to expel it, they must openly broadcast its crimes in the grand hall of the royal court, so that the multitude may recognize good and evil. 'Sincerity in crying out, with peril: its peril is radiant.'
Commanding the multitude with complete sincerity and knowing there is peril and fear, the Dao of the noble person will be free from unexpected hazards and will shine radiantly.
'Making proclamation from one's own settlement; it is unfavorable to resort to arms: what is exalted is exhausted.' One should first govern oneself and must not exclusively rely on firm force. If one resorts to arms, that which is exalted will reach an utter dead end.
In the time of Breakthrough, what is exalted refers to martial firmness. 'It is advantageous to have somewhere to go: the firm grows to the end.' Although firm yang is abundant, its growth is not yet complete.
There remains one yin that still must be broken through, so that the Dao of the noble person becomes pure and unified, free from anything that could harm it. This marks the culmination of the growth of the firm.