Meaning of He who has a mouth is wrong
What is He who has a mouth is wrong:
The popular saying "He who has a mouth is wrong" teaches that all people are subject to making mistakes in speech and, therefore, they are justified in being excused.
"He who has a mouth is wrong" works as an apology to justify an inadvertent mistake made during a speech act, especially when that mistake arouses comments, laughter or ridicule from a certain audience.
It is important to insist that these are inadvertent mistakes. For this reason, the saying generalizes: all human beings have a mouth (they speak), therefore, anyone can make a mistake because "to err is human."
Like "he who has a mouth is wrong", the expression "to err is human" or "to err is human" is an apology or justification, but it has application in any type of situation and not only in speech acts.
Both expressions seek the empathy of the listener, whether for himself or for a third party. That empathy is achieved by reminding the interlocutor of the fragility of the human condition that characterizes all people.
Let's imagine an example or a situation where the saying can have a place. During a speech, the order speaker makes a mistake and says: “This night has been very faliz”. The audience laughs out loud at the unexpectedness of this inadvertent mistake. The speaker apologizes saying, "Well, he who has a mouth is wrong."
Among the variants of this saying, we can cite the following: "He who has a mouth is wrong", "He who has a mouth is wrong, and if not, he shuts his mouth" or "He who has a mouth is wrong, and if not, he keeps his mouth shut and also runs wild ”.