Hesiod Theogony 806
 Such an oath, then, did the gods appoint the eternal and primeval water of Styx to be: and it spouts through a rugged place. And there, all in their order, are the sources and ends of the dark earth and misty Tartarus and the unfruitful sea and starry heaven,  loathsome and dank, which even the gods abhor. And there are shining gates and an immovable threshold of bronze having unending roots, and it is grown of itself.1And beyond, away from all the gods, live the Titans, beyond gloomy Chaos.
1 Enoch 18:11
10 And I saw a deep abyss, with columns ⌈⌈of heavenly fire, and among them I saw columns⌉⌉ of fire fall, which were beyond measure alike towards the height and towards the depth. 11 And beyond that abyss I saw a place which had no firmament of the heaven above, and no firmly founded earth beneath it: there was no water upon it, and no birds, but it was a waste and horrible place. 12 I saw there seven stars like great burning mountains, and to me, when I inquired regarding them,
Notes and References
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