The Chhandogya Upanishad is one of the most prominent among the major group of philosophical and mystical sanskrit texts of ancient India. This passage talks about the oneness of all living things.
Passage
As the honey-makers, dear, gather
the honey from many a tree, and weld
the nectars together in a single nectar;
and as they find no separateness there, nor say :
Of that tree I am the nectar, of that tree I am the nectar.
Thus, indeed, dear, all these beings, when
they reach the Real, know not, nor
say : We have reached the Real. But
whatever they are here,
whether tiger or lion or wolf or boar or worm or moth or gnat or fly,
that they become again.
And this soul is the Self of all that is, this is the Real, this the Self.
Charles Johnston. From the Upanishads. Thomas B Mosher, 1899.
