Valmiki Ramayana Yuddha Kanda Sarga 96 Shloka 38
Original Shlokaएतानचिन्तयन्घोरानुत्पातान्समवस्थितान् । निर्ययौरावणोमोहाद्वधार्थंकालचोदितः ।।6.96.38।।
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रावणः Ravana, कालचोदितः impelled by time, घोरान् terrific, समवस्थितान् that which happened, एतान् these, उत्पातान् taken place, अचिन्तयन् not thinking, मोहात् in delusion, वदार्थम् for the destruction, निर्ययौ set forth
Impelled by the time spirit, Ravana set forth without thinking of the terrific portents that had appeared in delusion for his destruction.