Consider the fact that no matter how many planets and stars are reflected in a lake, these reflections are encompassed within the water itself; that no matter how many universes there are, they are encompassed within a single space; and that no matter how vast and how numerous the sensory appearances of samsara and nirvana may be, they are encompassed within the single nature of mind.

Dudjom Lingpa

from the book Buddhahood Without Meditation: A Visionary Account Known As Refining Apparent Phenomen

translated by Richard Barron