Verse 30

भवतः केवलं चित्ते जलान्तर्वर्तिनस्तदा ।प्रतिभाता तथाभूता कटंजाचारसंस्थितिः

In plain words

It was only in your mind, then, while you were within the water, that Kaṭañjaka's course of life appeared -- exactly as it truly was.