Valmiki Ramayana Kishkindha Kanda Sarga 30 Shloka 77
Original Shlokaयदर्थमयमारम्भः कृतः परपुरञ्जयः। समयं नाभिजानाति कृतार्थः प्लवगेश्वरः4.30.77।।
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परपुरञ्जयः one who can conquer the enemy's capital, यदर्थम् what for, अयम् this, आरम्भः effort, कृतः one who made, समयम् promise कृतार्थः one who has achieved his goal, प्लवगेश्वरः king of monkeys, नाभिजानाति does not realise.
'O conqueror of the enemy capital the monkey lord who has achieved his goal does not realise the importance of my mission.