Negative Influence

used to emphasize that if a person associates with people of questionable character or behavior, they are likely to adopt those negative qualities themselves

Many parents warn their children about the dangers of hanging out with the wrong crowd, often saying if you lie down with dogs, you will get up with fleas.

used to emphasize that bad company or associations can negatively influence a person's behavior and character

Parents often warn their children that evil communications corrupt good manners, urging them to surround themselves with positive influences.

used to warn that if someone engages in something that is considered wrong or immoral, they are likely to be negatively impacted by it, resulting in a loss of reputation or moral standing

My grandfather used to say, he that touches pitch shall be defiled, so keep yourself away from trouble.

used to imply that a person with bad character or behavior can negatively influence and harm the ones around them

The coach told his players, a rotten apple injures its neighbors, so I expect each of you to uphold the values of good sportsmanship and teamwork.

used to imply that a single bad or negative element within a group can have a harmful or corrupting influence on the entire group, leading to a decline in overall quality or integrity

Bosses need to be wary of hiring or keeping unsuitable employees, for as the proverb states, a rotten apple spoil the barrel.

used to imply that associating with people who have bad habits or engage in immoral behavior can negatively impact one's own values and behavior

The athlete decided to distance himself from teammates who engaged in doping, recognizing that bad company corrupts good morals.