Valmiki Ramayana Aranya Kanda Sarga 21 Shloka 16
Original Shlokaबुद्ध्याहमनुपश्यामि न त्वं रामस्य संयुगे।।3.21.16।। स्थातुं प्रतिमुखे शक्तस्सबलश्च महात्मनः।
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त्वम् you, सबलश्च with your army too, संयुगे in an encounter, महात्मनः of the great man, रामस्य Rama's, प्रतिमुखे face to face, स्थातुम् to stand, न शक्तः you are not capable, अहम् I, बुद्ध्या through my intellect, अनुपश्यामि I can foresee.
Instinctively I can foresee that you and your army do not have the capability to encounter that great Rama in a fight.