Valmiki Ramayana Ayodhya Kanda Sarga 36 Shloka 22

उद्भ्रान्तचेतनः with an insane mind, एषः this one, क्रीडतः while playing, बालान् young ones, नः our, पुत्रान् sons, सरय्वाम् in Sarayu river, प्रक्षिपन् while throwing, मौर्ख्यात् in his insanity, अतुलाम् incomparable, प्रीतिम् pleasure, अश्नुते deriving.

That insane (Asamanjasa) while throwing our children who were playing around into Sarayu river in his insanity derived incomparable pleasure'.