Verse 27

क्रमेण पाकवशतः फलमेति यथान्यताम् ।अवस्थयैव नाकृत्या जीवो मलवशात्तथा

In plain words

Just as a fruit, by degrees, through the power of ripening, comes to a different state — a change only of condition, not of its very shape — so too the jīva, through the power of its own impurity (mala).