“The Instruction on Stillness, Occurrence, and Awareness in Mahamudra”
~Mipham Rinpoche (1846-1912):
Stillness state of no thought.
Occurrence “when various kinds of thoughts arise”.
Awareness is being conscious of either of these states.
Being mindful of these two states, “you will come to understand the following vital point: Various feelings such as joy and sadness arise from your own mind and dissolve back into your own mind…”
And, “by looking directly into the essence of your mind, whether it is still or thinking, you will understand that it is empty and, even though it perceives many things, it does not possess any entity whatsoever. This so-called emptiness is not a blank void like space….
[It] is an emptiness endowed with all supreme aspects….[It] has an unceasing clarity that is fully conscious and cognizant.
“When realizing this secret point, although there is no separate watcher or something watched, to experience the naturally luminous and innate mind-essence is known as recognizing awareness.
This is what is pointed out in both mahamudra and dzogchen.”
“There is nothing easier than this, but it is essential to practice.”
New Earth Heartbeat 
Thank you Tomas, so timely…..just contemplating the Heart Sutra this morning with these very similar thoughts! This seemed to help me further my understanding! I feel like I am getting it at such a complete level, with the Course in Miracles saying the same from a different perspective….thank you again!
Yes, Leslie, I love the simplicity. Now we practice and the realization stabilizes more and more. Best wishes, tomas