It's really this simple ... nothing else is needed ... just follow Karmapa's advice. No need for complex, no need for difficult, no need for struggle, for goal, for striving, for conflict, no need for imaginary obstacles that block our path and make life so difficult ... just follow this ....
The Single Word of Heart-Advice
by Third Karmapa, Rangjung Dorje
Homage to all the sacred masters.
The heart-mind of all the Buddhas of the past, the present, and the future, widely renowned as Dharmakaya, as Mahamudra, as enlightened mind, is precisely your own mind, which thinks of this and that.
Simply allow this unique awareness to rest vividly awake and present in its natural way.
You don't need to worry or think, "Is this really it? Could this be Mahamudra?" Don't bother yourself with these doubts and questions. Don't hope for improvement or be afraid of degeneration.
By practicing in this extraordinarily simple way, again and again, you will definitely recognize the groundless, rootless open essence of all thoughts, appearances, and phenomena. When that happens, realization blooms naturally. All attachments, all habitual patterns, all conditioning is spontaneously liberated and released in this blossoming of realization.
I swear there is not a more profound and ultimate instruction from all the holy and realized masters of the enlightened lineage that is more profound and more vital than this single word of my heart-advice. Please don't waste this. Don't squander it. Remember this teaching always. There is no mistake in it. Rely on the blessings of such a teaching, rather than on the blessings of others.
This was written by Karmapa Rangjung Dorje in the Yangon Hermitage. May all beings be happy. Sarva mangalam.