Today's teaching is on mahamudra, the nature of mind. In Milarepa's Song of the View he sang that on the ultimate level there is no meditator and no meditation as well. There is no path and since there is no path, there is no enlightenment. In Tilopa's Ganges Mahamudra he taught that mahamudra cannot be described, but one must still make an effort in practice. With devotion to the lineage masters mahamudra can be realized. Mahamudra has to be taught teacher to student. The lama's blessing allows the student to see the ground. The Tibetan word for this blessing is jin-lab. "Jin" means gift and "lab" means transformation.
Mahamudra is explained as threefold: basis, path, and fruition. Basis mahamudra is the truth that all sentient beings have mahamudra already. This is buddha nature, as explained in the Uttaratantra Shastra. Basis mahamudra is posessed by all sentient beings. All have the potential for enlightenment and to be completely free of afflictive emotions. The example used in the Uttaratantra Shastra is the Sun, which always shines, even on a cloudy day. To grow a flower, you must first plant a seed. But the seed itself is not sufficient. You must have dirt, water, warmth, light, and so on. If all these are there, the flower will grow and reveal the inner quality of the seed. So we all have the potential for enlightenment within us, but it is up to us whether we put forth the effort....
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The essence of the minds of sentient beings interpenetrate without obstruction. They are vast like space, deep like the ocean. Being like space, their essence is the equal everywhere, with no distinctive marks to be apprehended.