Valmiki Ramayana Bala Kanda Sarga 32 Shloka 20
Original Shlokaकुशनाभसुतास्सर्वा: समर्थास्त्वां सुरोत्तम। स्थानाच्च्यावयितुं देवं रक्षामस्तु तपो वयम्।।1.32.20।।
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सुरोत्तम O Best among devatas, सर्वा: वयं all of us, कुशनाभसुता: daughters of Kusanabha, देवम् the divine one, त्वाम् you, स्थानात् from your authority, च्यावयितुम् to pull down, समर्था: तु are capable, but, तप: ascetic merit of a virgin, रक्षाम: we are protecting.
"O best among devatas we are daughters of Kusanabha, We are capable of pulling you down from your position. We are safeguarding our ascetic merit as virgins (we could curse you to save our ascetic merit)" of Kusnabha.