Lie

To lie is to make statements that are untrue, whether or not the falsity of such statements is known by the speaker. A lie can be a genuine falsehood or a selective truth, a lie by omission, or even the truth if the intention is to deceive or to cause an action not in the listener's interests.

Morality of lying
Lying is against the moral standards of many people and is specifically prohibited as a sin in many religions. Ethical traditions and philosopers are divided over whether a lie is ever allowable but are generally opposed - Aristotle said no, Plato said yes, Saint Augustine said no, Kant said no. --wikipedia.org

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