Valmiki Ramayana Yuddha Kanda Sarga 2 Shloka 24
Original Shlokaकथञ्चित्सन्तरिष्यामस्तेवयंवरुणालयम् । हतमित्येवतंमन्येयुद्धेशत्रुनिबर्हण ।।6.2.24।।
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शत्रुनिबर्हण: exterminator of foes, वरुणालयम्: abode of Varuna the ocean, कथञ्चित्: by any means, वयम्: us, सन्तरिष्याम: the enemy, युद्दे: in combat, तं: him(Ravana), हतमित्येव: has been killed , मन्ये: think
"O Exterminator of foes By whatever means the ocean is crossed by us, think that the enemy has been killed in combat."