Sometime's it's good to keep your mouth shut.
Justin is in an important business meeting at work and thinks he has noticed an error in a fellow employee's report that could cost the company.
Justin wants to make sure the error is addressed.
Justin waits and then takes his fellow employee aside after the meeting to let them know privately that he thinks he may have seen an error.
Justin interrupts the meeting and draws attention to the error in his coworker's report that he believes he sees.
Justin's coworker explains things from his point of view and Justin learns there is in fact no error but the coworker thanks him for his concerns nonetheless.
Justin is immediately proven to be incorrect in his perception and his reputation at work takes a hit.