Quotations: Dharmakirti, Commentary on Valid Cognition, That which performs a function is ultimately existent
དོན་དམ་དོན་བྱེད་ནུས་པ་གང༌། །
དེ་འདིར་དོན་དམ་ཡོད་པ་ཡིན། །
That which can ultimately perform a function
Is here said to be ultimately existent.
All else besides has relative existence.
- Dharmakīrti, Commentary on Valid Cognition, chapter III, 3