32.  Heng
       Endurance.

Upper Trigram: Chen; Thunderclap, Movement.
Lower Trigram: Sun; Gentle Penetration,
                                       Mildness, Wind, Wood.

Governing Rulers: Nine in the second place.
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The Image:
Thunder above the wind: the image of Heng.
The superior man, in accordance with this, stands firm, and does not change his direction or method of operation.
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Miscellaneous Signs:                                 (31, 59, 60)
Effect quick answering cause,
in Hsien appears;
While Heng denotes continuance for years.
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The Judgement:
Heng indicates successful progress and no error in what it denotes. The advantage will come from being firm and correct; and movement in any direction whatever will be advantageous.

Appended Judgement:
Heng shows us the solidity of virtue, and mixed experience without any wearyness. Heng also appears in uniformity of virtue.
See also Ta Chuan, section II, chapter VII, §§ 2-4.

Commentary:
Heng denotes long continuance.
The strong trigram is above, and the weak one below; thunder and wind are in mutual communication; they have the qualities of motive force and docility; their strong and weak lines all respond, each to the other: these things are all found in Heng.
'Heng indicates successful progress and no error in what it denotes. The advantage will come from being firm and correct': this indicates that there must be long continuance in its way of operation. The way of heaven and earth is to be long continued in their operation, without stopping.
'Movement in any direction whatever will be advantageous': this implies that when the moving power is spent, there will be a new beginning.
The sun and moon, realising in themselves the course of Heaven, can perpetuate their shining.
The four seasons, by their changing and transforming , can perpetuate their production.
The sages persevere in their course, and all under the sky are transformed and perfect.
When we look at what they continue doing long , the natural tendencies of heaven, earth, and all things become apparent.  
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The Lines:

Six in the bottom place:
Showing its subject deeply desirous of long continuance. Even with firm correctness there will be evil; there will be no advantage in any way.
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Nine in the second place:
 O
Showing all occasion for repentance disappearing.
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Nine in the third place:
Showing one who does not continuously maintain his virtue. There are those who will impute this to him as a disgrace. However firm he may be, there will be ground for regret.
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Nine in the fourth place:
A field where there is no game.
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Six in the fifth place:
Showing its subject continuously maintaining the virtue indicated by it. In a wife this will be fortunate; in a husband, evil.
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Top-most six:
Showing its subject exciting himself to long continuance. There will be evil.
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Commentaries:

Six in the bottom place:
The 'evil attached to the deep desire for long continuance', arises from the deep seeking for it at the commencement of things.
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Nine in the second place:
'All occasion for repentance on the part of the subject of this line disappears': he can abide long in the due mean.
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Nine in the third place:
'He does not continuously maintain his virtue': nowhere will he be borne with.
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Nine in the fourth place:
Going for long in what is not his proper place, how can he get game?
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Six in the fifth place:
'Such firm correctness in a wife will be fortunate': it is hers for the rest of life to follow with an unchanged mind. The husband must decide what is right, and lay down the rule accordingly: for him to follow (like) a wife is evil.
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Top-most six:
'He is exciting himself to long continuance': far will he be from achieving merit.
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