What do you mean by ang gabi sa kalupaan ay ukol lamang sa dilim sa kalangitan sapagkat ang gabi sa kalupaan ay hinahamig lamang sa mabangis na liwanag ng ilaw dagitab?

The phrase suggests that nighttime on Earth is primarily associated with darkness, contrasting with the brilliance of stars and celestial bodies in the sky. It implies that the earthly experience of night is overshadowed by the harshness of artificial lights, which can mask the beauty of the natural night. Essentially, it highlights a tension between the natural darkness of night and the overwhelming presence of man-made illumination.