Dwelling in the center and correctness with a yielding and compliant disposition, it bears the image of an open mind.
When a person abides in the central and correct Way, empties his mind to seek increase, and can follow along compliantly, who in the world would not wish to advise and benefit him?
Mencius said: 'If one genuinely loves the good, then everyone within the four seas will make light of traveling a thousand miles to come and advise him with good.' Fullness receives nothing; emptiness draws things in—this is a natural principle.
Therefore, if there is a matter that can be increased, the multitude of companions will aid and increase it. 'Ten' is a term for the multitude; what the multitude affirms is what is supremely fitting in principle.
The tortoise shell is that which divines auspiciousness and misfortune and distinguishes right from wrong; saying that it is so supremely correct that even the tortoise cannot contradict it.
'Perpetual perseverance brings good fortune' speaks in terms of Six in the Second Place's talent: the second is central, correct, and open-minded, able to gain the increase of the multitude; however, its substance is originally yin and yielding, hence it is warned that good fortune comes only from being constantly, perpetually, and firmly perseverant.
In the way of seeking increase, without perpetual perseverance, how could one preserve it?
In Decrease, Six in the Fifth Place receives ten pairs and attains supreme auspiciousness because it dwells in honor, decreases itself, and responds to the firmness below; being yielding while dwelling in firmness, yielding means receiving with an open mind, and firmness means preserving steadfastly—the supreme good in seeking increase, hence supreme auspiciousness.
Six in the Second Place empties its mind to seek increase and also has a firm yang response, but being yielding and dwelling in a yielding position, there is doubt that the increase is not yet firm; hence it is warned that only by being constantly, perpetually, and firmly perseverant is there good fortune.
'The king uses it to make offering to the Supreme Deity: auspicious.'
If one possesses the open mind of the second and can maintain perpetual perseverance, using it even to sacrifice to the Supreme Deity will obtain auspiciousness; how much more so when interacting with men and things—could his intention fail to get through?
When seeking increase from men, could they fail to respond? Sacrificing to Heaven is the prerogative of the Son of Heaven; hence it says 'the king uses it.'