<span class="chinese-post-title">火上水下，水重火輕</span> Fire Above, Water below; Water is heavy, Fire is light from <span class="chinese-post-title">八卦掌真理篇</span> The Real Theory of Baguazhang by <span class="chinese-post-title">薑容樵</span> Jiāng Róngqiáo

火上水下，水重火輕

心在上屬火，腎在下屬水，所謂「心火腎水」，也就是前面所說實腹暢胸的心要虛，腹要實的意義。

薑容樵

"The heart above corresponds to fire, the kidneys below correspond to water. Thus the phrase “Heart of fire, kidney of water” above says that the substantial abdomen and the empty chest are the sense of the empty heart and solid abdomen."

From the book Bāguàzhăng Practice Method (八卦掌練習法), by Jiāng Róngqiáo (薑容樵), based on the translation by Joseph Crandall