And these two, Spirit and Death, O king, have their scats in the souls of all creatures, and remaining unseen, they, forsooth, rage war with each other.
ब्रह्ममृत्यू ततो राजन्नात्मन्येव व्यवस्थितौ।। अदृश्यमानौ भूतानि योधयेतामसंशयम्॥