16).
As Yama was the first to die, so was he the first to teach man the road to immortality, which lies through sacrifice, whereby man attains to heaven and to immortality.

Hence the poet says, 'we revere the immortality born of Yama' (i.83.

5).

This, too, is the meaning of the mystic verse which speaks of the sun as the heavenly courser 'given by Yama,' for, in giving the way to immortality, Yama gives also the sun-abode to them that become immortal.

In the same hymn the sun is identified with Yama as he is with Trita (i.163.