US-P17.008ab ।US-P17.008cd ॥
In plain words
Whatever action produces is impermanent — avidyā and desire are what caused it. And here, for arriving at knowledge, the tradition holds the Veda alone to be the means.
Close to the Sanskrit
But the effect of action would be impermanent, having ignorance and desire as its cause. Here, in the attainment of knowledge, the Veda alone is held to be the means of valid knowledge.