Valmiki Ramayana Yuddha Kanda Sarga 63 Shloka 9

रक्षसांपते Rakshasa king, पुरुषः man, धर्मम् duty, अर्थं च worldly gain, कामं च sensual pleasures, सर्वान्वा or all, त्रीणि three, द्वन्द्वानिवा at least two, काले in time, भजते should pursue.

"O Rakshasa king! A man should pursue his duty or worldly gain or sensual pleasures all the three combined or at least any two in time (the scriptures lay down that duty should be pursued in the morning, wealth in the afternoon and sensual pleasures at night)."