Valmiki Ramayana Kishkindha Kanda Sarga 58 Shloka 34
Original Shlokaउपायो दृश्यतां कश्चिल्लङ्घने लवणाम्भसः। अभिगम्य तु वैदेहीं समृद्धार्था गमिष्यथ।।4.58.34।।
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लवणाम्भसः of the salt ocean, लङ्घने in crossing, कश्चित् some, उपायः means, दृश्यताम् you may look for, वैदेहीम् Vaidehi, अभिगम्य after approaching her, समृद्धार्थाः as accomplished ones, गमिष्यथ you will return.
'Look out for some means to cross the salty ocean. You will see Vaidehi, and return, your mission accomplished.