tathā hi yaḥ kāryagatāśeṣaviśeṣānuyāyinaḥ svabhāvasya sadā cātmasattāpratyupasthānatas tadupakārī yasya vikārāpādanamantareṇa kāryamaśakyavikāraṃ sa eva kāraṇaviśeṣa upādānatvena prasiddhaḥ
For that particular cause is known as material cause which [1] helps through its constant presence the entire nature [of the effect] comprising all its specific features and [2] without whose modification the effect cannot be modified