SB 12.12.4

atra brahma paraṁ guhyaṁ
 jagataḥ prabhavāpyayam
jñānaṁ ca tad-upākhyānaṁ
 proktaṁ vijñāna-saṁyutam
Synonyms: 
atra — here; brahma — the Absolute Truth; param — supreme; guhyam — confidential; jagataḥ — of this universe; prabhava — the creation; apyayam — and annihilation; jñānam — knowledge; ca — and; tat-upākhyānam — the means of cultivating it; proktam — are spoken; vijñāna — transcendental realization; saṁyutam — including.
Translation: 
This literature describes the mystery of the Supreme Absolute Truth, the source of the creation and annihilation of this universe. Also presented are divine knowledge of Him together with the process of its cultivation, and the transcendental realization one achieves.