466. What sickness can't you talk about until it's cured?
467. When may a man properly say that he's immersed in his business?
468. What did the burglar give his wife for her birthday?
469. What school game can you play by yourself?
470. What mental illness does Santa suffer from?
471. What is the difference between a lion with a tooth-ache and a rainy day?
472. Who earns his living without doing a day's work?
473. How can you calm down a fire breathing dragon?
474. What's the difference between one yard and two yards?
475. After the boxer was knocked out, what number did they use to revive him?
476. What geometric figure is most dangerous?
477. Did you hear the story about the burp?
478. What's the difference between a New Yorker and a dentist?
479. Why was the invisible mom upset with her invisible child?
480. Why may carpenters reasonably believe there is no such thing as stone?