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used to imply that people may have a tendency to talk too much about themselves or their own ideas and abilities, without considering the interests or perspectives of others
used to imply that people tend to have a high opinion of their own abilities or accomplishments, and may not always be objective or accurate in their self-assessment
used to suggest that someone who makes a lot of noise or boasts excessively may not be as capable or effective as they claim to be
used to advise that it is better to avoid making empty threats or promises, as it can result in loss of respect or credibility
used to suggest that those who have experienced threats or danger may be better equipped to handle potential risks or dangers in the future due to their past experiences
used to suggest that people often overestimate their abilities or expertise when they are not being challenged, and that true skill and leadership are only tested in difficult or challenging situations
