Bhagavad Gita Chapter 14 Verse 15

Gita 14.15

रजसि, प्रलयम्, गत्वा, कर्मसंगिषु, जायते,
तथा, प्रलीनः, तमसि, मूढयोनिषु जायते।।15।।

Gita 14.15

Rajsi, prlaym’, gatva, karmsangishu, jaayate,
Tatha, prleenH, tamsi, moodyonishu, jaayate ||15||

Translation: (Rajsi) on predominance of Rajogun (prlaym’) death (gatva) attaining (karmsangishu) among those who have attachment to actions (jaayate) is born (tatha) and (tamsi) on predominance of Tamogun (prleenH) who dies, insect, animal etc (moodyonishu) foolish/ignorant wombs/births. (15)

Translation: When an individual dies with the predominance of Rajogun, he is born among those who are attached to actions, and an individual who dies with the predominance of Tamogun is born in the ignorant yonis (wombs/births) of insect, animals etc.