Valmiki Ramayana Kishkindha Kanda Sarga 14 Shloka 17

जितकाशी proud of valour, बलश्लाघी one who praises strength, त्वया by you, अधर्षितः challenged, प्रियसंयुगः fond of battle, सः वाली that Vali, असङ्गेन without any fear, पुरात् from the city, निष्पतिष्यति will rush forward.

'Vali, who is proud of his valour, is strong, fearless and fond of combat, will rush out of the city in response to your challenge.