tasmād utpattyabhivyaktyoḥ kāryārthāpattitaḥ samaḥ / sāmarthyabhedaḥ sarvatra syāt prayatnavivakṣayoḥ //
Therefore, in [both] production and manifestation [of sounds], the difference in capacity is equal everywhere for [both] effort and intention to speak, [as] established through the presumption based on effects.