BG 2.27
तस्मादपरिहार्येऽर्थे न त्वं शोचितुमर्हसि ॥
tasmād aparihārye ’rthe na tvaṁ śocitum arhasi
Word-for-word meanings
hi — because; jātasya — for one who is born; mṛtyuḥ — death; dhruvaḥ — [is] certain; ca — and; mṛtasya — for one who dies; janma — birth; dhruvam — [is] certain; tasmāt — therefore; tvam — you; na arhasi — do not deserve; śocitum — to grieve; arthe — in the matter; aparihārye — of the inevitable.
Translation
For one who is born, death is certain, and for one who dies, birth is certain. Therefore, you should not grieve over the inevitable.