It means that sometime lies are good for example: if a man comes by and asks if your mother is there, u can say no even though she's there just because maybe this guy wants to hunt down your mom...just like a white lie.
I suppose it means that sometimes it will be better to know a lie, than to let it hurt when you find out the truth
The phrase implies that lies can sometimes be more reliable than the truth in certain situations, such as protecting someone's feelings or ensuring safety. This reflects the complexities of human interactions where the consequences of honesty might be more damaging. In some cases, lies are used to simplify communication or to fulfill a need that truth cannot meet.
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