The Upanishads - Mandhata Global

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Chapter XVI
The Silence of the Brahma Priest
Verily, he who moves along (i.e. the air) is the sacrifice;
for he, moving along, purifies everything. And because,
moving along, he purifies everything, he is the sacrifice.
Of that sacrifice, the mind and speech are the two ways.
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The Brahma priest purifies one of the two (i.e. the mind)
by his mind. The other (i.e. speech) is purified through
words by the hotri priest, the adhvaryu priest and the
udgatri priest. If the Brahma priest, after the
Prataranuvaka hymn has begun and before the recitation
of the Paridhaniya hymn, breaks his silence and speaks,
he purifies only one of the ways (i.e. speech), but the
other (i.e. the mind) is injured. As a man walking on one
leg, or a carriage going on one wheel, is injured,
likewise the sacrifice is injured. Following the injury to
the sacrifice, the sacrificer too is injured. By performing
the defective sacrifice he becomes more sinful.
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But if the Brahma priest, after the Prataranuvaka hymn
has begun and before the recitation of the Paridhaniya,
does not break his silence and speak, he purifies both the
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