佛祖統紀 1.72

1.72

理事（觀一切法空如實相（理）但以因緣有從顛倒生故說（事））　安樂行迹
理教（是法不可示言辭相寂滅（理）以方便力故為五比丘說（教））　方便品迹
教行（諸法從本來常自寂滅相（教）佛子行道已來世得作佛（行））　方便品迹
體用（吾於成佛已來甚大久遠（體）但以方便教化眾生（用））　壽量品本
實權（是我方便諸佛亦然（權）今當為汝說最實事（實））　藥草喻本
已今（諸佛法久後（已）要當已真實（今））　方便品本

Phenomena and Principle: ("Contemplating all phenomena as empty, like the true nature of reality" [Principle]; "Merely because they exist due to causes and conditions, arising from inverted views, are they spoken of" [Phenomena]) — Traces in "Ease in Practice"
Principle and Teaching: ("This Dharma cannot be shown; the characteristics of words are extinguished" [Principle]; "By the power of expedient means, it was preached to the five monks" [Teaching]) — Traces in "Expedient Means"
Teaching and Practice: ("All phenomena from their origin are constantly calm and extinct in characteristic" [Teaching]; "When the Buddha's disciples have practiced the path, they will become Buddhas in future ages" [Practice]) — Traces in "Expedient Means"
Essence and Function: ("Since I attained Buddhahood, it has been extremely long and distant" [Essence]; "Merely by expedient means I teach and transform sentient beings" [Function]) — Origin in "Life Span"
Real and Expedient: ("This is my expedient means; for all Buddhas it is also thus" [Expedient]; "Now I shall preach for you the most real matter" [Real]) — Origin in "Medicinal Herbs"
Past and Present: ("After a long time, the Buddhas' Dharma" [Past]; "Must surely preach the real truth" [Present]) — Origin in "Expedient Means"