Teacher – “Didn’t you promise to behave?”
Johnny – “Yes, sir.”
Teacher – “And didn’t I promise to punish you if you misbehaved?”
Johnny – “Yes, sir, but since I broke my promise, you don’t have to keep yours.”
Teacher – “How can one person make so many mistakes in one day?”
Johnny – “I get up early.”
Teacher – “Well, at least there’s one thing I can say about your son.”
Father – “What’s that?”
Teacher – “With grades like these, he couldn’t be cheating.”