धर्म

... tat tvam asi (तत्वमसि ) ...
-Chandogya upanishad, VI.VIII ...

Chandogya Upanishad is also one of the oldest ones and perhaps the best known. It belongs to Saamveda, the veda with metre. It has many very interesting passages in which we learn
- of the knowledge that Kshatriyas had but Brahmins did not,
- of Satyakama's story about how its not your birth that decides if you are a Brahmin,
- of Aruni's statement about the origin of the universe from sat which in the same breath challenges another theory of origin,

... neti, neti ...
-Brihadaranyaka Upanishad, IV.V.15

Sakalya: Yadnyawalkya, how many gods are there?
Yadnyawalkya: According to the "Hymn of all the gods" there are 3306.
S: Yes, but how many gods are there?
Y: 33.
S: Yes, but how many gods are there?
Y: 6.
S: Yes, but how many gods are there?
Y: 3.
S: Yes, but how many gods are there?
Y: 2.
S: Yes, but how many gods are there?
Y: One and a half.
S: Yes, but how many gods are there?
Y: One.
(S: Which are those 3306 gods?)
-Brihadaranyaka Upanishad, III.IX.1