The Mukhya Upaniṣads

Īśa · The Whole World in the Light of the Self

Mantra 17

वायुरनिलममृतमथेदं भस्मान्तं शरीरम् ।ॐ क्रतो स्मर कृतं स्मर क्रतो स्मर कृतं स्मर ॥ १७ ॥

In plain words

Let this life-breath merge into the immortal cosmic Air; then let this body end in ashes. Om. O mind of resolve, remember—remember what has been done.