Hai mươi bốn khúc từ lấy cây vô căn làm ẩn dụ: thân người dễ tàn như cây không rễ, cần nghịch tu để nối nhánh non. Lý Hàm Hư, Lưu Nhất Minh đều có chú; cùng Ngộ Chân thiên là hai đỉnh từ–thi nội đan.
Ứng dụng: Khẩu quyết thi từ / nghịch tu cảnh tỉnh
张三丰道情词二十四首（或作多首组），以「无根树」喻浮生无常、人命无根。词中密藏丹诀：回头岸头、树老接枝（栽接法——人老有药医）、访明师、盗机逆用、牛女鹊桥、银河九霄等。李涵虚、刘一明等皆有注。结构上从警世弃爱→求师筑基→药物火候→了性了命一气贯下，是隐仙派最广传的歌诀载体。
⚡ Ứng dụng: 讽诵体悟：先借词勘破红尘立志，再随注家（李涵虚、刘一明）拆解栽接、盗机、河车等密意以指导实修次第。
🔗 Liên quan: 大道论；玄机直讲；道窍谈
The text proves that authentic life has no root in the post-heaven tree of forms, desires, and social identity; therefore cultivation must “graft” spirit onto the pre-heaven root of emptiness rather than fertilize the already rootless trunk of ego. The image of a rootless tree demonstrates that ordinary existence is sustained only by borrowed post-natal qi and will collapse unless reconnected to the unborn source. Immortality is not growth of the tree but transplanting its living essence back into the void-root.
1. In BaZi, treat Day Master as the “trunk” and locate which roots (support of season, resources, seal) are post-heaven crutches versus true pre-heaven capacity. 2. When chart shows “floating wood” or unsupported self, train return-to-root: breath to lower field, not more striving. 3. Use the poem’s graft metaphor: join exhausted output (hurting officer/wealth drain) back to resource/seal through rest and non-contention. 4. Daily check: if mood depends on external praise/gain, mark it as rootless branch-growth and cut it by stillness. 5. Prefer reverse schedules (early rest, noon quiet) over “adding fertilizer” (stimulants, forced yang practices).
Compared with 性命圭旨’s systematic diagrams, 无根树 argues poetically through a single master-metaphor—rootlessness—rather than a curriculum of stages. It differs from 赤水吟 by being more soteriological (why ordinary life fails) than technical. Its distinct logical contribution is the proof that form-based success is structurally rootless, so reverse-rooting is necessary, not optional.