Valmiki Ramayana Ayodhya Kanda Sarga 27 Shloka 10
Original Shlokaअहं दुर्गं गमिष्यामि वनं पुरुषवर्जितम्। नानामृगगणाकीर्णं शार्दूलवृकसेवितम्।।2.27.10।।
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अहम् I, दुर्गम् impassable, पुरुषवर्जितम् uninhabited by men, नानामृगगणाकीर्णम् teeming with various kinds of animals, शार्दूलवृकसेवितम् inhabited by tigers and wolves, वनम् forest, गमिष्यामि I shall go.
I will also go to the forest, which is impassable, uninhabited, teeming with various kinds of animals and infested with tigers and wolves.