Valmiki Ramayana Ayodhya Kanda Sarga 52 Shloka 71
Original Shlokaततो वैखानसं मार्गमास्थितः सह लक्ष्मणः। व्रतमादिष्टवान् रामः सखायं गुहमब्रवीत्।।2.52.71।।
1 source checked for this shloka
ततः thereafter, सहलक्ष्मणः along with Lakshmana, वैखानसम् relating to sages, मार्गम् the path, आस्थितः having resorted to, रामः Rama, व्रतम् religious vow, आदिष्टवान् having accepted, सखायम् his friend, गुहम् to Guha, अब्रवीत् said.
Having adopted the path of ascetics along with Lakshmana, Rama said to his friend Guha: