Valmiki Ramayana Ayodhya Kanda Sarga 39 Shloka 4
Original Shlokaमन्ये खलु मया पूर्वं विवत्सा बहवःकृताः। प्राणिनो हिंसिता वापि तस्मादिदमुपस्थितम्।।2.39.4।।
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मया by me, पूर्वम् in the past, बहवः many, विवत्साः deprived of children, कृताः have been reduced, वापि or, प्राणिनः living beings, हिंसिताः are harmed, तस्मात् therefore, इदम् this, उपस्थितम् has befallen, मन्ये खलु I deem.
'In the past I must have separated many from their children or harmed many living beings. That is why I think this calamity has befallen me.