The powerful answers on Baidu Knows make people shocked after they calm down.

Q: What are the harms of crossing your legs?

A: One side of your butt will be bigger than the other.

Q: Why do people fear heights, but birds don't?

A1: People know what it feels like to fall down, but birds don't.

A2: Birds never worry when they are flying. They don't think about their wings. But people always think too much and have too much burden.

Q: Why do wizards ride brooms instead of stools?

A: Because riding a broom is much cooler than riding a stool. And if you encounter a powerful enemy that you can't defeat, you can pretend to be a janitor.

Q: Why does Superman always wear his underwear on the outside?

A1: If he wears it inside, who would know he's Superman?

A2: Batman has his underwear over his head; Spiderman wears his underwear on the outside. How could Superman not follow the fashion trend? So, he wears his underwear on the outside...