Valmiki Ramayana Yuddha Kanda Sarga 48 Shloka 19
Original Shlokaनकलस्यातिभारोऽस्तिकृतान्तश्चसुदुर्जयः । यत्ररामःसहभ्रात्राशेतेयुधिनिपातितः ।।6.48.19।।
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यत्र since, रामः Rama, भ्रात्रासह with his brother, युधि in the battle, निपातितः fallen, शेते lies, कालस्य time spirit, अतिभारः too heavy, नास्ति not, कृतान्तश्च capable of doing anything, सुदुर्जयः difficult to conquer.
"Rama along with Lakshmana has fallen in the battlefield. Time spirit is too heavy and capable of doing anything, so difficult to conquer."