Valmiki Ramayana Yuddha Kanda Sarga 84 Shloka 9
Original Shlokaमनुजेन्द्रार्थरूपेणयदुक्ततुहनूमता । तदयुक्तमहंमन्येसागरस्येवशोषणम् ।।6.84.9।।
1 source checked for this shloka
मनुजेन्द्र Lord of humans, आर्थरूपेण thinking to be true, हनूमता from Hanuman, सु, यत् that which, उक्त spoken, तत् those, सागरस्य ocean's, शोषणम् इव drying up, अयुक्तम् not possible, अहम् I, मन्ये think
"I think that what has been spoken by Hanuman as truth (that Sita has been killed) is like drying up an ocean."