BG 2.27

Death is certain for one who has been born, and rebirth is inevitable for one who has died. Therefore, you should not lament over the inevitable.

BG 12.3-4

But those who worship the formless aspect of the Absolute Truth—the imperishable, the indefinable, the unmanifest, the all-pervading, the unthinkable, the unchanging, the eternal, and the immoveable—by restraining their senses and being even-minded everywhere, such persons, engaged in the welfare of all beings, also attain Me.