। ॥ ५५९ ॥
In plain words
Because the intellect is something ignorance produced. Because it perishes moment by moment. And because the intellect and everything that follows it are actually seen to dissolve back into that same ignorance —
Close to the Sanskrit
Because of the intellect's being an effect of ignorance, because of its being subject to destruction at every moment, and because the dissolution of the intellect and all the rest into ignorance is observed —