The two factors (literally "two obstructions", also "two obscurations" or "two defilements") which, according to the Mahayana, cause a sentient being to remain unenlightened and enmeshed in samsara.They are: (1) emotional obscurations or ): the obscurations that are caused by grasping at/clinging to the personal ego (the self of the person).They are caused by grasping at/clinging to phenomena as truly existent (the self of phenomena).They function so as to prevent complete enlightenment (for further information, see main Glossary entry on cognitive obscurations) According to the Mahayana, an arhat is capable of eliminating the emotional obscurations and thus attains an inferior form of nirvana, but only Buddhas and Bodhisattvas are able to break through the cognitive obscurations through a direct realization of the emptiness (shunyata) of all phenomena.I have it now before me; and though you could not, of course, peruse it with half the interest that I did, I know you would not be satisfied with an abbreviation of its contents, and you shall have the whole, save, perhaps, a few passages here and there of merely temporary interest to the writer, or such as would serve to encumber the story rather than the molecular mechanisms and physiological relevance of death-receptor signaling in the nervous system and to harness this knowledge for the development of novel treatments to neurodegenerative diseases and neurotrauma.At all events she would throw the burden of an elucidation upon him.Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co.
How can I be, when I think of the momentous change that awaits me, and of all I have to leave?
They are the cause of negative emotions (the three poisons) and prevent liberation from samsara (for further information, see main Glossary entry on emotional obscurations).
(2) cognitive obscurations or ): dualistic thoughts or obscurations that are comprised of wrong and perverse views about the nature of reality.
Definition [Dictionary.com]: ➜Obscuration: the state of being obscured, where obscure is: (1) , argues that the Two Truths form the very heart of the Buddha's teachings: [24:8] “The Dharma taught by the buddhas is precisely based on the two truths: a truth of mundane conventions and a truth of the ultimate” In their commentary on Chapter 24 of the , Siderits and Katsura explain that conventional truth connotes three different meanings: 'concealing', 'mutual dependency' and 'customary practices of the world': The term translated as “conventional” is a compound made of the two Sanskrit words ).
The second explains the term to mean “mutual dependency.” On the third etymology, the term refers to conventions involved in customary practices of the world, the customs governing the daily conduct of ordinary people (, Chandrakirti introduces an additional distinction.