You should know that the essential Bodhi is wondrous and bright, being neither cause nor condition, neither self as such nor not self as such, neither unreality nor not unreality, for it is beyond all forms and is identical with all things. How can you now think of it and use frivolous terminology of the world to express it? This is like trying to catch or touch the void with your hand; you will only tire yourself, for how can you catch the void?"