Great Sky Beyond Effort Tantra says:
Being its own heart
It arises from that.
Once taught, is seen
And therefore is itself
Sun Suffusing the Thousand Directions, the Bon Teachings Tantra (Bon sde nyi ma stong kyab rgyud) says:
Like taking a rope for a snake
Not seeing what’s there yields delusion
Whereby one wanders in samsara.
Primordially Existent Sky (Nam mkha’ ye srid) says:
Not recognizing just as it is
The mind’s real nature
Is delusion
Lost in enormous, elemental darkness
Endlessly a wanderer, endlessly in circles
The Lord Buddha then warned Subhuti, saying, Subhuti, do not think that the Tathagata ever considers in his own mind : I ought to enunciate a system of teaching for the elucidation of the Dharma. You should never cherish such a thought. And why ? Because if any disciple harboured such a thought he would not only be misunderstanding the Tathagata’s teaching, but he would be slandering him as well. Moreover, the expression “a system of teaching” has no meaning; for Truth (in the sense of Reality) cannot be cut up into pieces and arranged into a system.The
The words can only be used as a figure of speech
Great Sky Beyond Effort Tantra says:
Due to inborn unawareness, heart essence itself
Though ever here, goes unrecognized.
Through beginningless delusion
Samsara is engaged, wherein
Attracted to external objects and
With wrongful imputation
We wander the six realms of rebirth
Incurring various dissatisfactions,
Since grasping at objects is deeply ingrained.