Valmiki Ramayana Ayodhya Kanda Sarga 73 Shloka 14
Original Shlokaअहं हि पुरुषव्याघ्रावपश्यन्रामलक्ष्मणौ। केन शक्तिप्रभावेन राज्यं रक्षितुमुत्सहे।।2.73.14।।
1 source checked for this shloka
अहम् I, पुरुषव्याघ्रौ two tigers among men, रामलक्ष्मणौ Rama and Lakshmana, अपश्यन् without beholding them, केन with what, शक्तिप्रभावेन by the mighty power, राज्यम् kingdom, रक्षितुम् to protect, उत्सहे will be competent?
When Rama and Lakshmana, the best of men stay away from me, by virtue of what mighty power am I competent to protect this kingdom?