The Ten Principal Upanishads

"...That is perfect. This is perfect. Perfect comes from perfect. Take perfect from perfect, the remainder is perfect. May peace and peace and peace be everywhere. Whatever lives is full of the Lord. Claim nothing; enjoy, do not covet His property. Then hope for a hundred years of life doing your duty. No other way can prevent deeds from clinging, proud as you are of your human life. They that deny the Self, return after death to a godless birth, blind, enveloped in darkness. The Self is one. Unmoving, it moves faster than the mind. The senses lag, but Self runs ahead. Unmoving, it outruns pursuit. Out of Self comes the breath that is the life of all things. Unmoving, it moves; is far away, yet near; within all, outside all. Of a certainty the man who can see all creatures in himself, himself in all creatures, knows no sorrow. How can a wise man, knowing the unity of life, seeing all creatures in himself, be deluded or sorrowful?..."