You are the cause of all causes, the self-effulgent, inconceivable, impersonal Brahman, which is originally Parabrahman. You manifest various potencies in this cosmic manifestation.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
त्वं ब्रह्म परमं गुह्यं सदसद्भावभावनः । नानाशक्तिभिराभातस्त्वमात्मा जगदीश्वरः
tvaṃ brahma paramaṃ guhyaṃ sadasadbhāvabhāvanaḥ | nānāśaktibhirābhātastvamātmā jagadīśvaraḥ
SB 8.7.24