Valmiki Ramayana Aranya Kanda Sarga 29 Shloka 8

काले (at the right) time, पर्यागते comes in, जन्तुः people, पापस्य कर्मणः of sinful deeds, घोरम् terrific, फलम् fruit, द्रुमाः trees, आर्तवम् in proper season, पुष्पमिव like the flowers, अवश्यम् certainly, लभते will get.

Just as the trees bear flowers at the proper season, so also people will certainly reap the fruits of their terrible, sinful deeds at appropriate time.