(noun) Error, mistake.
"Bad men are full of repentance."
"A clever arrangement of bad eggs will never make a good omelet."
"The main reason Santa is so jolly is because he knows where all the bad girls live."
"History, in general, only informs us what bad government is."
"There is nothing either good or bad, but thinking makes it so."
"Those who look for the bad in people will surely find it."
"The truth is that everyone is bored, and devotes himself to cultivating habits."
"Not only will we have to repent for the sins of bad people; but we also will have to repent for the appalling silence of good people."
"By all means marry; if you get a good wife, you’ll become happy; if you get a bad one, you’ll become a philosopher."
"The children now love luxury; they have bad manners, contempt for authority; they show disrespect for elders and love chatter in place of exercise."
"Laughter is not at all a bad beginning for a friendship, and it is by far the best ending for one."
"Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws."