Valmiki Ramayana Kishkindha Kanda Sarga 14 Shloka 6

वीर hero, त्वया by you, वालिवधे to kill Vali, पुरा earlier, या such, प्रतिज्ञा vow, कृता has been taken, ताम् that one, आगतः came, कालः time, लताम् इव like creeper, क्षिप्रम् at once, सफलाम् successful, कुरु make it.

'O heroic Rama fulfil quickly the vow taken by you earlier to kill Vali in the same way a creeper bears fruit when the time comes.'