Valmiki Ramayana Kishkindha Kanda Sarga 17 Shloka 41
Original Shlokaत्वया नाथेन काकुत्स्थ न सनाथा वसुन्धरा। प्रमदा शीलसम्पन्ना धूर्तेन पतिना यथा4.17.41।।
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काकुत्स्थ Kakutstha, वसुन्धरा earth, नाथेन by lord, त्वया by you, शीलसम्पन्ना one endowed with good character, प्रमदा a lady, धूर्तेन by a wicked one, यथा similarly, पतिना by husband, सनाथा a protector, न no
'O Kakutstha just as a wife endowed with good character cannot be protected by a wicked husband, you cannot be a protector of this earth.