ཤེས་རབ་ཀྱི་ཕ་རོལ་ཏུ་ཕྱིན་པ་ཚད་མྱེད་དོ། །
Since space is immeasurable, knowledge of all the dharmas is immeasurable, and since knowledge of all the dharmas is immeasurable, the perfection of wisdom is immeasurable.
Emptiness, Perfection of Wisdom, Boundlessness