The Changeless Nature

140 The Changeless Nature350 The echo's sound arises due to others' faculties of cognition.Concept-free, it is effortless and abides not without nor within.351 Likewise, tathagatas' speech arises due to others' cognitive facultiesand is concept-free, effortless and abides neither without nor within.352 Even though space is nothing whatsoever, non-manifest,not a mental object, without foundation, completely invisible,without form and not demonstrable,353 it is 'seen' as being 'up' or 'down' — but space is not like that.Likewise everything seen relating to buddha is not like him at all.354 Every thing which grows from the ground develops, becomes firm,and grows up through depending on the thought-free earth.355 Likewise every root of beings' virtue, without exception,increases through dependence on the thought-free buddha-ground.356 Since ordinary beings do not perceive action without effort,these nine examples are taught to annihilate students' doubts.357 These nine examples have been excellently, fully taughtin a sutra of name which explains their purpose.385 The wise, adorned with the great light of wisdomborn of such study will swiftly enter all buddha domains.