The Upanishads, Part 1 (SBE01): Khândogya Upanishad: VII, 23
The Upanishads, Part 1 (SBE01), by Max Müller, [1879]
1. 'The Infinite (bhûman) 1 is bliss. There is no bliss in anything finite. Infinity only is bliss. This Infinity, however, we must desire to understand.'
'Sir, I desire to understand it.'