It came to pass that while thus engaged, they heard a sound augmented by the dashing of the waves. And having come to the middle of the stream, the highly energetic Rāma with his younger brother, became curious to ascertain the cause of that sound.
तत्र शुश्राव वै शब्दं तोयसंरम्भवर्धितम्। मध्यमागम्य तोयस्य तस्य शब्दस्य निश्चयम्॥ ज्ञातुकामो महातेजाः सह रामः कनीयसा।