janmātiriktakālena vyāpāreṇātra kiṃ phalam / sattaiva vyāpṛtis tasyāṃ satyāṃ kāryodayo yataḥ //
What purpose is there in [postulating] an operation at a time different from [the cause's] coming into existence? [The cause's] mere existence is [its] operation, because when that exists, the effect arises.