Valmiki Ramayana Ayodhya Kanda Sarga 28 Shloka 24

क्रोधलोभौ anger and greed, विमोक्तव्यौ should be given up, तपसे in asceticism, मतिः mind, कर्तव्या must be fixed, भेतव्ये even in alarming situations, न भेतव्यम् one should not be afraid, अतः therefore, वनम् life in the forest, नित्यम् always, दुःखम् full of misery.

Anger and greed have to be given up, with the mind preoccupied with ascetic practices. One should not be afraid of fearful situations. Hence forest (life) always very hard.