परमं यो महत्तेजः परमं यो महत्तपः ।परमं यो महद्ब्रह्म परमं यः परायणम् ॥ ९ ॥
In plain words
He is the supreme, the vast light. He is the supreme, the vast fire of austerity. He is the supreme, the vast brahman. He is the supreme, the last place there is to go.
Close to the Sanskrit
Who is the supreme great light, who is the supreme great austerity, who is the supreme great brahman, who is the supreme final resort —