Rigpa (Wikipedia)

Rigpa (Tibetan; Sanskrit vidya) is the primordial, nondual awareness advocated by the Dzogchen and Mahamudra teachings.

Rigpa is a Tibetan word, which in general means ‘intelligence’ or ‘awareness’. In Dzogchen, however, the highest teachings in the Buddhist tradition of Tibet, rigpa has a deeper connotation, ‘the innermost nature of the mind’. The whole of the teaching of Buddha is directed towards realizing this, our ultimate nature, the state of omniscience or enlightenment – a truth so universal, so primordial that it goes beyond all limits, and beyond even religion itself —Sogyal Rinpoche

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It is amazing that the direct knowledge of the unconditioned knowing nature can be found in places like Northeast of Thailand and other places like Tibet when the two have seemingly different ways of practice. This point to the fact that the Truth is the Truth, where ever and when ever they are or were.

Although Tibetan practitioners may hold a view that their realization is more superior, for those who have directly realized the Truth by themselves, as far as I have learned, would not hold that kind of opinion. Once realized, they would know that all living beings possess this same nature. The unconditioned selfless knowing is the same in small animals as in me as in any Bhikkhus, and may I dare, in all the Buddhas.