अज्ञानध्वान्तविध्वंसप्रचण्डमतिभास्करम् ।आत्मनो ब्रह्मताज्ञानं नीराजनमिहात्मनः ॥ २४ ॥
In plain words
The knowledge that this Self is Brahman is the blazing sun of the intellect, and it shatters the darkness of ignorance. Here, that knowing is the lamp I circle before the Self.
Close to the Sanskrit
The blazing sun of the intellect, which is the shattering of the darkness of ignorance — the knowledge of the Self's Brahman-hood — is here the waving of lights for the Self.