Jewel Heap Sutra (大寶積經), Vol. 4

"The notion of signlessness refers to the absence of a body and its designation, the absence of words and letters, and the absence of appearances and manifestations." Vol. 4

 

《大寶積經》 卷 4

「言無相者,所謂無身及身施設,無名無句亦無示現。」