lit: day has thus thoughts. In other words: day-to-day there are thought. we think every day / in the day.
lit: night roam so dreams. In other words: Each night we dream
ri4 you3 suo3 si1, ye4 yong2 suo3 meng4
Your day is care, your nights aware.
We ask heaven, heaven does not reply. Could it be that heaven also does not understand?