। ॥ ३०५ ॥
In plain words
It is called ignorance, nature, power, and avidyā. It is neither truly real nor entirely non-existent, just like the illusion of silver in a seashell.
Close to the Sanskrit
Ignorance, nature, power, and avidyā thus is spoken; that this is neither existent nor non-existent, like silver in an oyster-shell.