"27. तस्य वाचक् प्रिव् ॥ २७॥ tasya vachakah prannavah His manifesting word is Om... The commentator says the manifesting word of God is Om. Why does he emphasise this? There are hundreds of words for God. One thought is connected with a thousand words; the idea, God, is connected with hundreds of words, and each one stands as a symbol for God... Is there any material sound of which all other sounds must be manifestations, one which is the most natural sound? Om (Aum) is such a sound, the basis of all sounds. The first letter, A, is the root sound, the key, pronounced without touching any part of the tongue or palate; M represents the last sound in the series, being produced by the closed lip, and the U rolls from the very root to the end of the sounding board of the mouth. Thus, Om represents the whole phenomena of sound producing. It must be the natural symbol, the matrix of all the variant sounds. It denotes the whole range and possibility of all the words that can be made. Apart from these speculations we see that around this word Om are centred all the different religious ideas in India; all the various religious ideas of the Vedas have gathered themselves round this word Om. The word has been retained at every stage of religious growth in India, and it has been manipulated to mean all the various ideas about God. Monists, Dualists, Mono-Dualists, Separatists, and even Atheists, took up this Om. Om has become the one symbol for the religious aspiration of the vast majority of human beings. Take, for instance, the English word God. It conveys only a limited function, and if you go beyond it, you have to add adjectives, to make it Personal, or Impersonal, or Absolute God. So with the words for God in every other language; their signification is very small. This word Om, however, has around it all the various significances. As such it should be accepted by everyone."