Chapter I—Meditation on Om

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The syllable Om, called the Udgitha, should be meditated upon; for people sing the Udgitha, beginning with Om.
Now follows the detailed explanation of the syllable:

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The essence of all these beings is the earth; the essence of the earth is water; the essence of water is plants; the essence of plants is a person; essence of a person is speech; the essence of speech is the Rig—Veda; essence of the Rig—Veda is the Sama—Veda; the essence of the Sama—Veda is the Udgitha which is Om.

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