Philip Kapleau Quote

The uniqueness of zazen lies in this: that the mind is freed from bondage to all thought forms, visions, objects, and imaginings, however sacred or elevating, and brought to a state of absolute emptiness, from which alone it may one day perceive its own true nature, or the nature of the universe.

The three pillars of Zen: teaching, practice, and enlightenment (ed. 1970)