1, the ego is _brahma_; in 5.18.1 the universal ego is identified with the particular ego (_[=a]tm[=a]_); in 6.

8 the ego is the True, with which one unites in dreamless sleep; in 6.15.1, into _par[=a] devat[=a]_ or 'highest divinity' enters man's spirit, like salt in water (_ib_.

13).

In 7.

15-26, a view but half correct is stated to be that 'breath' is all, but it is better to know that _yo bh[=u]m[=a]_ _tad am[r.]tam_, the immortal (all) is infinity, which rests in its own greatness, with a corrective 'but perhaps it doesn't' (_yadi v[=a] na_).