《西山记》曰∶形者气之舍，气者形之主。借形养气，气壮而形固矣。运气炼形，形全而气自真矣。
故人之真气，大运随天。春在肝、夏在心、秋在肺、冬在肾。人之元气，小运随日。子在肾、卯在肝、
午在心、酉在肺。古先达士，识破天机。以气度合天度，以日用参年用。自子至午，气生之时，而用聚气
还丹之法。自午至子，气散之时，而用收气炼丹之法。彭玉真人诀曰∶午前炼干，午后炼坤。自寅至午，乃
升身静坐，冥目忘言，鼻息迟迟，密想心宫，如夫妇相见之仪，久久成功而得长生不死。
昔元 真人诀曰∶自晨起不语，以舌搅上 下 ，恶浊之津咽之而呵出心中所积喜怒哀乐之气。
真气上升，寄留面目，以手握之，次居静室，宴坐不语。至午未之间，气盛神
昏，侧卧闭口而睡。积日安乐延年，亦可留形住世。此知其时候，悟其交合，而无采取之法也。西山
上圣，知其子时肾气生，卯时肝气生，午时肾气交心气。积气生液，还于丹田，而曰玄珠。若火候
无差，乃成大药。肾气之中，暗藏真一之水；心液之上，暗藏正阳之气。以阴抱阳，用水承气，此大
道之本，长生之药。如何使之不走失？当辰巳之间，幽室静坐，神识内守，满口含津，勿咽勿吐。
鼻息少入迟出，绵绵若存，自然二气相交，凝结如露。一百日无差药力全，二百日圣胎坚，三百日
仙完而真气生，气中有气而可炼气成神。故钟离曰∶昔有三真颂金丹六诀矣，若以修行不悟此，世人
学道谩劳功。又曰∶闲庭无事忆江南，华满春城水满潭。若见扬州风物好，是须稳驾虎龙船。此名曰
龙虎交媾，又曰采药之法也。及自午至子，而用收气炼丹之法者，而为火候，古今不同。夫不悟真理，
不识天机，而达造化之宜者，惟扁鹊解《灵枢》。以鼻引清气，入而留之，四息为一铢，二十四铢
为一两。火，夏至之后，以巽卦天 运二十五度，行之炼真汞而为阴胎。冬至以乾卦灵符运二十五
度，行之炼真铅而为阳息。阳息投阴胎而变金丹，金丹一粒，可长生不死。广成子教黄帝，自晨至暮，
静坐忘念，屏绝外虑，神识内守，一意不散。降心火于丹田，存脐下如净瓶。净瓶之中，有一珠
如弹丸，用炎炎火不计昼夜而下烧之，至于胎成息住。自然不饥不渴、不畏寒暑，可以留形住世。此
进火得时，亦无聚气之法。
西山有颂曰∶佳人才子正当年，华落黄昏聚会难。不避主公肠欲断，时来须索闭阳关。此戌末亥
初，气随真液还丹之际，阴交阴而气欲散失。当居静室，息不必闭也，但少入
迟出，心火下降，至意留在丹田。恐肾气升而不停，心火降而不住，乃微以肚腹轻胁，丹田自热，炼
日中所得之药。始也一百日乾卦，次一百日兑卦至乾卦，次一百日坤卦至乾卦。乾坤相见，火候无差，
若此加减合宜，如说抽添，须肘后飞金晶也。故古先上圣，于离卦采药，乾卦进火，三百日结就内丹
而为陆地神仙。形神俱妙，浩劫不死。故炼形之道，非真气不可也。
《西山记》说：形体是气的居所，气是形体的主宰。借助形体来涵养气，气充足了形体就会坚固。运用气来锻炼形体，形体完备了气自然纯正。
所以人的真气，随着大的节气规律随天时而变化。春天在肝，夏天在心，秋天在肺，冬天在肾。人的元气，随着小的日节律随日子变化。子时在肾，卯时在肝，午时在心，酉时在肺。古代的得道高人，洞察了天机。用气的运行合于天的度数和规律，用日常的生活参悟年度的规律。从子时到午时，是气生成的时候，采用聚气还丹的方法。从午时到子时，是气发散的时候，采用收气炼丹的方法。彭玉真人的口诀说：午前炼干（阳），午后炼坤（阴）。从寅时到午时，应当起身静坐，闭目忘言，呼吸缓慢深沉，专心冥想心宫，如同夫妇相见的礼仪，长久坚持就能成功并获得长生不死。
昔日元真人的口诀说：自从早晨起床后不说话，用舌头搅动上下牙龈，将恶浊的津液咽下，同时呵出心中积聚的喜怒哀乐之气。真气上升，寄留于面目之间，用手握住（意守），其次居住在安静的房间，安坐不语。到了午未之间，气盛神昏，侧身闭口而睡。日久积累安乐延年，也可以留住形体存在于世间。这是知道了时辰，领悟了交合，而没有采取（外药）的方法。西山上圣知道，子时肾气生发，卯时肝气生发，午时肾气与心气相交。积聚气产生津液，返还于丹田，称之为玄珠。如果火候没有差错，就能成就大药。肾气之中，暗藏着真一之水；心液之上，暗藏着正阳之气。以阴抱阳，用水承气，这是大道的根本，长生的药物。如何使它们不流失？应当在辰巳之间，在幽静的房间静坐，神识向内坚守，满口含津，不要咽下也不要吐出。鼻息少入迟出，绵绵若有若无，自然二气相交，凝结如露水。一百天没有差错药力完全，二百天圣胎坚固，三百天仙体完成而真气产生，气中有气从而可以炼气成神。所以钟离权说：昔日有三真颂扬金丹六诀，如果修行而不领悟这个，世人学道徒劳无功。又说：闲庭无事忆江南，花满春城水满潭。若见扬州风物好，是须稳驾虎龙船。这名叫龙虎交媾，也叫采药的方法。等到从午时到子时，采用收气炼丹的方法，这就涉及火候，古今有所不同。那些不领悟真理，不识天机，而通达造化适宜之理的人，只有扁鹊能解读《灵枢》。用鼻子吸入清气，进入并停留它，四次呼吸为一铢，二十四铢为一两。火，夏至之后，用巽卦的天运二十五度，施行来炼真汞而为阴胎。冬至用乾卦的灵符运二十五度，施行来炼真铅而为阳息。阳息投入阴胎而变成金丹，一粒金丹，可以长生不死。广成子教导黄帝，从早晨到傍晚，静坐忘念，屏绝外在思虑，神识向内坚守，一意不散。将心火降于丹田，存想脐下如同净瓶。净瓶之中，有一颗珠子如同弹丸，用熊熊之火不计昼夜地向下烧灼它，直到胎成息住。自然不饥不渴、不畏寒暑，可以留住形体存在于世间。这是进火得时，也没有聚气的方法。
西山有颂词说：佳人才子正当年，花落黄昏聚会难。不避主公肠欲断，时来须索闭阳关。这是在戌末亥初，气随真液还丹之际，阴交阴而气欲散失。应当居住在安静房间，呼吸不必完全闭塞，只要少入迟出，心火下降，意念留在丹田。恐怕肾气升腾而不停止，心火下降而不能驻留，于是微微转动肚腹轻胁，丹田自然发热，炼化日中所获得的药物。开始的一百天用乾卦，第二个一百天从兑卦至乾卦，第三个一百天从坤卦至乾卦。乾坤相见，火候没有差错，像这样加减合宜，如所说的抽添，必须运用肘后飞金晶的方法。所以古代上圣，在离卦采药，乾卦进火，三百天结就内丹而成为陆地神仙。形神俱妙，浩劫不死。所以炼形的道理，没有真气是不行的。
The *Xishan Ji* (Record of Western Mountain) states: The physical form is the dwelling of Qi (vital energy), and Qi is the master of the physical form. By borrowing the form to nourish Qi, when Qi becomes robust, the form becomes solid. By circulating Qi to refine the form, when the form is complete, Qi naturally becomes authentic.
Therefore, a person's True Qi follows the Heavenly cycles in great movements. In spring it resides in the Liver, in summer in the Heart, in autumn in the Lung, and in winter in the Kidney. A person's Yuan Qi (Original Qi) follows daily cycles in small movements. At Zi hour it is in the Kidney, at Mao hour in the Liver, at Wu hour in the Heart, and at You hour in the Lung. Ancient sages penetrated the secrets of Heaven. They aligned the measure of Qi with the measures of Heaven, and used daily practices to participate in annual patterns. From Zi hour to Wu hour, which is the time when Qi generates, one employs the method of gathering Qi and returning the Elixir. From Wu hour to Zi hour, which is the time when Qi disperses, one employs the method of collecting Qi and refining the Elixir. The mantra of Zhenren Peng Yu states: Refine Qian (Heaven/Yang) before noon, and Kun (Earth/Yin) after noon. From Yin hour to Wu hour, one should rise and sit quietly, close the eyes and forget speech, breathe slowly and deeply, and intensely visualize the Palace of the Heart, like the etiquette of a husband and wife meeting. Through long perseverance, success is achieved and immortality is attained.
The mantra of former Zhenren Yuan states: From morning rising, do not speak; stir the tongue against the upper and lower gums, swallow the foul saliva, and exhale to release the accumulated emotions of joy, anger, sorrow, and happiness from the Heart. True Qi rises and lodges in the face and eyes; hold it with the hands, then reside in a quiet room and sit peacefully without speaking. Between Wu and Wei hours, when Qi is abundant and spirit is drowsy, lie on the side with closed mouth and sleep. Accumulating this over days brings peace, prolongs life, and allows one to remain in the world with their form. This knows the timing and comprehends the intersection, but lacks the method of extraction. The Supreme Sage of Xishan knows that at Zi hour Kidney Qi generates, at Mao hour Liver Qi generates, and at Wu hour Kidney Qi intersects with Heart Qi. Accumulated Qi generates fluids, which return to the Dantian, called the Mysterious Pearl. If the fire timing is without error, the Great Medicine is achieved. Within Kidney Qi lies hidden the Water of True Unity; above Heart fluid lies hidden the Qi of Righteous Yang. Embracing Yang with Yin, supporting Qi with Water, this is the root of the Great Dao and the medicine for longevity. How to prevent them from leaking? During Chen and Si hours, sit quietly in a secluded room, keep the Spirit and Consciousness inwardly guarded, fill the mouth with saliva, neither swallowing nor spitting. Inhale little and exhale slowly, continuously as if present yet absent, so that the two Qi naturally intersect and condense like dew. After one hundred days without error, the medicinal power is complete; after two hundred days, the Sacred Embryo is firm; after three hundred days, the Immortal body is perfected and True Qi arises. With Qi within Qi, one can refine Qi into Spirit. Thus Zhongli Quan said: Formerly, the Three Truths praised the Six Mantras of Golden Elixir; if cultivation does not comprehend this, people learning the Dao labor in vain. He also said: In leisure, remembering Jiangnan, flowers fill the spring city and water fills the pool. If you see the fine scenery of Yangzhou, you must steadily pilot the Tiger and Dragon boat. This is named the Coition of Tiger and Dragon, also known as the method of harvesting medicine. And from Wu hour to Zi hour, employing the method of collecting Qi to refine the Elixir involves fire timing, which differs between ancient and modern times. Those who do not comprehend the true principle, do not recognize the heavenly mechanism, but understand the appropriateness of creation, only Bian Que could interpret the *Lingshu* (Spiritual Pivot). Draw clear Qi through the nose, let it enter and stay; four breaths constitute one Zhu (a unit of weight), twenty-four Zhu constitute one Liang. Fire: after Summer Solstice, using the Xun trigram's heavenly movement of twenty-five degrees, practice to refine True Mercury into Yin Embryo. At Winter Solstice, using the Qian trigram's spiritual talisman moving twenty-five degrees, practice to refine True Lead into Yang Breath. Yang Breath投 into Yin Embryo transforms into Golden Elixir; one grain of Golden Elixir grants immortality. Guangchengzi taught the Yellow Emperor: from morning to dusk, sit quietly forgetting thoughts, banish external worries, guard the Spirit and Consciousness inwardly, and keep intent undivided. Descend Heart Fire to the Dantian, visualize below the navel as a clean vase. Within the clean vase, there is a pearl like a pellet; use blazing fire to burn it downwards day and night until the embryo forms and breathing stops. Naturally free from hunger and thirst, unafraid of cold and heat, one can remain in the world with their form. This is advancing fire at the proper time, also lacking the method of gathering Qi.
Xishan has a verse: "The beauty and the scholar are in their prime, but falling flowers at dusk make gathering difficult. Not avoiding the lord's heart-breaking grief, when the time comes, one must close the Yang Pass." This refers to the end of Xu hour and beginning of Hai hour, when Qi returns to the Elixir with true fluids, Yin intersects with Yin and Qi is about to dissipate. One should dwell in a quiet room; breathing need not be completely closed, but inhale little and exhale slowly, descend Heart Fire, and keep intent lodged in the Dantian. Fearing Kidney Qi rises and does not stop, or Heart Fire descends and does not stay, one slightly rotates the abdomen and light ribs, causing the Dantian to naturally heat up, refining the medicine obtained during the day. The first one hundred days use the Qian trigram, the next one hundred days move from Dui trigram to Qian trigram, the next one hundred days move from Kun trigram to Qian trigram. When Qian and Kun meet, and fire timing is without error, such additions and subtractions are appropriate, as described in drawing and adding, requiring the technique of Flying Metal Crystal from the Elbow Posterior. Thus, ancient supreme sages harvested medicine during the Li trigram, advanced fire during the Qian trigram, and after three hundred days formed the Inner Elixir, becoming an Immortal on Land. Form and Spirit both become wondrous, surviving kalpas without death. Therefore, the way of refining the form cannot be done without True Qi.