। ॥ ५५ ॥
In plain words
It is her alone I worship: the primordial Brahmavidyā, the knowledge of Brahman — Bhavānī, praised by the Vedas in embodied form. The steady seeker of freedom knows her as his own Ātma, his very Self, and lets go of both joy and sorrow.
Close to the Sanskrit
Her alone, the primordial Brahmavidyā — knowledge of Brahman — I worship: Bhavānī, praised by the embodied Vedas. Having known her as his own Ātma, the steady one who desires liberation abandons joy and sorrow.