I will proclaim the mighty deeds of Visnu who measured out the earthly regions and propped the heavens above, accomplishing in his course three mighty strides.
Rig Veda I, 154, 1
Well then, Gautama, I shall tell you about this profound and eternal Brahman and also about what happens to the atman after meeting death.
Yajur Veda, Katha Upanishad, Part Two, Chapter II, 6
Some jivas enter the womb to be embodied as organic beings and some go into non-organic matter-according to their work and according to their knowledge.
Yajur Veda, Katha Upanishad, Part Two, Chapter II, 7
He, the Purusha, who remains awake while the sense-organs are asleep, shaping one lovely form after another, that indeed is the Pure, that is Brahman and that alone is called the Immortal. All worlds are contained in Him and none can pass beyond. This, verily, is That.
Yajur Veda, Katha Upanishad, Part Two, Chapter II, 8
As the same non-dual fire, after it has entered the world, becomes different according to whatever it burns, so also the same non-dual Atman, dwelling in all beings, becomes different according to whatever It enters. And It exists also without.
Yajur Veda, Katha Upanishad, Part Two, Chapter II, 9
