25. Because the matter (of certain mantras) such as piercing and so on is different (from the matter of the approximate vidyâs) (the former have not to be combined with the latter).
At the beginning of an Upanishad of the Âtharvanikas the following mantra is recorded, 'Pierce him (the enemy) whole, pierce his heart: crush his veins, crush his head; thrice crushed,' &c. At the beginning of the Upanishad of the Tândins we have the mantra, 'O God Savitar, produce the sacrifice.' At the beginning of that of the Sâtyâyanins, 'Thou hast a white horse and art green as grass,' &c.; at the beginning of that of the Kathas and the Taittirîyakas, 'May Mitra be propitious to us and Varuna,' &c. At the beginning of the Upanishad of the Vâgasaneyins we have a Brâhmana-passage about the pravargya-ceremony, 'The gods indeed sat down to a sattra;' and at the beginning of that of the Kaushîtakins there is a Brâhmana-passage about the agnishtoma, 'Brahman indeed is the Agnishtoma, Brahman is that day; through Brahman they pass into
To this we make the following reply. The mantras and
223:1 The Brihaspatisava, although enjoined with special reference to him who is desirous of Brahmavarkas, is yet at the same time a subordinate part of the Vâgapeya-sacrifice. Cp. Pû. Mî. Sû. IV, 3, 29.