Valmiki Ramayana Yuddha Kanda Sarga 59 Shloka 113
Original Shlokaततोदानवदर्पघ्नंसौमित्रिंदेवकण्टकः । तंपीडयित्वाबाहुभ्यांनप्रभुर्लङ्घनेऽभवत् ।।6.59.113।।
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ततः thereafter, देवकण्टकः enemy of Devatas, तम् him, दानवदर्पघ्नम् pride of Rakshasas, सौमित्रिम् Saumithri, बाहुभ्याम् shoulders, पीडयित्वा capable of crushing, लङ्घने to lift, प्रभुः king, नाभवत् not do.
Thereafter, Ravana the enemy of Devatas was not capable of lifting Lakshmana's shoulders. Lakshmana could crush the pride of Rakshasas.