Mantra 7

योनिमन्ये प्रपद्यन्ते शरीरत्वाय देहिनः ।स्थाणुमन्येऽनुसंयन्ति यथाकर्म यथाश्रुतम् ॥ ७ ॥

In plain words

Some embodied beings enter a womb, for the sake of a body; others, according to their action and according to what they have learned, pass into the fixed, unmoving state.