Chú giải Định Quán Kinh: định là tâm định, quán là tuệ quán; tuần tự tĩnh tâm, đoạn dục, nhập định, sinh tuệ. Đỗ Quang Đình đã dẫn; là cầu nối tọa vong–định quán với triết học tu tâm Đường.
Ứng dụng: Tu định quán/tọa vong; chú sớ tâm tính; nghiên cứu Đạo–Thiền giao thiệp thời Đường.
《洞玄靈寶定觀經》約出隋唐之際（杜光庭《道德真經廣聖義》已引）；《正統道藏》洞玄部玉訣類收唐代道士泠（冷）虛子注，一卷，《雲笈七籤》卷十七亦全錄。經注合一：釋「洞玄靈寶定觀」名義，天尊告左玄真人——修道先能捨事，外事都絕然後安坐內觀心起；明「去留交戰」「束心太急」與過放之病，定不求慧而慧自生；並列得道七候（心得定易、宿疾普銷、還年復命、延數萬歲、鍊形為炁、鍊炁成神、鍊神合道等）。為道教性功／止觀要典，與《清靜經》並稱心性修煉雙璧。
⚡ Ứng dụng: 修真心性定觀根本；BaZi神強殺重、心猿意馬者先定觀捨事；與內丹清微坐功、命理「神」層修煉相應。
🔗 Liên quan: 太上老君說常清靜經；坐忘論；清微丹訣
Stabilized contemplation (定觀) is the root that makes all other Daoist methods safe and true; without fixed observation, visualizations and rites become delusion. The commentary proves that mental stability is not a beginner side-quest but the criterion that validates higher practice.
1) Before complex BaZi remedies or rituals, establish client/practitioner 定: sleep, breath, reduced input. 2) Read chart chaos as mental 不定 amplifying outer 刑冲—train 觀 of arising emotions during luck shifts. 3) Use meditation metrics (return time after distraction) as leading indicators of destiny work readiness. 4) Reject advice culture of constant technique-hopping; deepen one 定觀 base. 5) In conflict years, prefer clarity practices over aggressive spell stacking.
Interior and quietist versus 奏告/雷法 operational texts. Foundational relative to 清微丹訣 (which still aims at elixir power) and opposed in mood to 天蓬 curses. Its difference is epistemic: truth of practice depends on stable seeing, not on louder rites.