Định Nghĩa và Ý Nghĩa của "the day has eyes, the night has ears"

What is the origin of the proverb "the day has eyes, the night has ears" and when to use it?

The origin of the proverb "the day has eyes, the night has ears" is uncertain, but variations of this saying appear across different cultures. The saying reflects the idea that nothing is truly private, and even when one feels safe or unobserved, there is still the possibility of being watched or overheard. It implies that one's actions and conversations may have consequences if they are seen or heard by others. This proverb serves as a reminder to act with integrity and be mindful of one's behavior at all times.