US-P16.006ab ।US-P16.006cd ॥
In plain words
Just as a lamp resting in its place effortlessly illuminates everything around it, so too the Knower effortlessly witnesses all the mental forms—of sound and the rest—that arise.
Close to the Sanskrit
Just as a lamp situated effortlessly would illuminate all that is reached, the knower likewise clearly sees the intellects having forms like sound and others arrived.