p. 202
तेषां परार्थं कथयन्तीह वेदा एतद्विद्वान्नैति कथं नु कर्म ॥ १७ ॥
In plain words
The Vedas themselves say it here: the purpose of those rites lies beyond the rites. A man who knows this does not turn to ritual action — how could he?
Close to the Sanskrit
Of those the further purpose the Vedas here declare; one knowing this does not go to action — how, indeed?