Center (中) from Foundation (基礎)Centro (中) de Fundamentos (基礎)

中

中者，心氣中和，神清氣沉。其根在腳，即是立點，重心繫於腰脊，所謂命意源頭在腰隙。精神含斂於內，不表於外，乃能中定沉靜矣。

"Center means that the state of mind is neutral, the spirit is clear and the Qi is sunk. The root is in the feet, this is the key point of standing, the weight center is linked to the waist and spine, it is said that life has its source on the waist. Vitality is contained internally, it does not manifest externally, in this way there is a quiet central equilibrium."

By Wú Gōngzǎo (吳公藻), based on the translation by by Yang Jwing Ming (楊俊敏) presented in the book Tai Chi Secrets of the Wu Style (太極拳吳氏先哲秘要).

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De Wú Gōngzǎo (吳公藻), baseado na tradução de Yang Jwing Ming (楊俊敏) apresentada no livro Tai Chi Secrets of the Wu Style (太極拳吳氏先哲秘要).

Central Equilibrium (中定) from Tai Chi Chuan Teaching Notes (太極拳講義)

中定

伸屈開合之未發謂之中，寂然不動謂之定。心氣清和，精神貫頂，不偏不倚，是為中定之氣，亦道之本也。

吳公藻

"Before the action of extending, bending, opening and closing is called center. Silent and still is called equilibrium. The Xin and Qi are clean and harmonious, the spirit of vitality reaches the top of the head, no tilting, no leaning is called the Qi of Central Equilibrium. It is also the root of the Dao."

By Wú Gōngzǎo (吳公藻), based on the translation by by Yang Jwing Ming (楊俊敏) presented in the book Tai Chi Secrets of the Wu Style (太極拳吳氏先哲秘要).