What is the origin of the idiom "PASTE THE IDIOM HERE" and when to use it?

The origin of the idiom "white lie" is rooted in the concept of a lie that is considered harmless or trivial. The term "white" in this context symbolizes purity, innocence, or a lack of malicious intent. The idiom refers to a lie told with good intentions, often to spare someone's feelings or maintain social harmony. This phrase suggests that the lie is not meant to cause harm or deceive, but rather to protect or benefit others in a small or inconsequential way.