Chānd-Mül, 1879-847. 'Then they see (within themselves) the ever-present light of the old seed (of the world, the Sat), the highest, which is lighted in the brilliant (Brahman).' Rig-veda I, 50, 10:-
'Perceiving above the darkness (of ignorance) the higher light (in the sun), as the higher light within the heart, the bright source (of light and life) among the gods, we have reached the highest light, yea, the highest light.'