A fall into a ditch makes you wiser.
People learn from their mistakes.
Yes, but I've never experienced one myself. No, and there's no way they could exist scientifically. I wouldn't rule it out. After the stories that Tusuneas Ahun told me, I'm not sure I want to go into the desert after all. For generations, his family has lived in Hotan and specializes in the ancient craft of spinning and weaving silk.