佛頂尊勝陀羅尼經教跡義記 2.211

2.211

述曰：第二、顯短命位者，有其三種：一、慧命；二、戒命；三、壽命。言慧命者，《般若經》云：「有為無漏聖慧修空不絕，以慧為命，由不放逸生。」《十地論》云：「修空聖智生。」戒命者，亦名淨命，《勝天王般若經》云：「離四邪命，故名淨戒。」淨戒，者由不破戒故。言壽命者，為識所持，故名壽命。

The commentary states: Second, revealing the state of short lifespan: there are three kinds: first, life of wisdom; second, life of moral discipline; third, life of physical lifespan. As for the life of wisdom, the Prajñā Sūtra says: "Conditioned, non-outflow noble wisdom cultivates emptiness without interruption, taking wisdom as life, generated from non-negligence." The Daśabhūmikā-śāstra says: "Cultivating emptiness, noble cognition is generated." As for the life of moral discipline, it is also called pure life. The Suvikrāntavikrāmīparipṛcchā Prajñāpāramitā Sūtra says: "Free from the four wrong livelihoods, it is therefore called pure moral discipline." Pure moral discipline is due to not violating moral discipline. As for physical lifespan, it is sustained by consciousness, and therefore called lifespan.