The Philosophy of the Upanishads c6.s1.9

c6.s1.9

(3) Very frequently it is not a word or a text, but the secret allegorical meaning of some ritual conception or practice, which is described as *upanishad*; *e.g.* in Chând. 1. 1. 10,—“for that which is executed with knowledge, with faith, with the upanishad (knowledge of the secret meaning of Udgîtha as *Om*), that is more effective.”