Valmiki Ramayana Aranya Kanda Sarga 50 Shloka 10
Original Shlokaपापस्वभावश्चपलः कथं त्वं रक्षसां वर।।3.50.10।। ऐश्वर्यमभिसम्प्राप्तो विमानमिव दुष्कृतिः।
1 source checked for this shloka
रक्षसाम् of demons, वर best one, पापस्वभावः of sinful nature, चपलः fickleminded, त्वम् you are, दुष्कृतिः who does forbidden acts, विमानमिव like this celestial chariot, ऐश्वर्यम् wealth, कथम् how, अभिसम्प्राप्तः did you get?
O best of demons by nature you are sinful, and fickleminded. You do all forbidden acts. Otherwise,how could you get this wealth, like the celestial chariot?