釋摩訶衍論 3.17

3.17

The treatise says: Pure tathatā from beginningless time is equally and identically pure by self-nature, neither arising nor ceasing, having neither going nor coming, nor an abiding place. Yet the principle and nature of tathatā does not maintain its own nature and therefore moves and transforms according to conditions; hence it is named defiled-and-pure tathatā. Such tathatā is directly and internally realized by the two kinds of defiled-and-pure wisdom, being associated and coexisting without abandoning one another. Such meanings should be known by analogy with what was previously explained. By what meaning is it forcibly named 'space'? What is the character of the distinction in its literal meaning? The verse says: