Ancient fables related to rutting. Help the gods.

Zheng has a man who wants to buy a pair of shoes. He measured his feet first, then drew a bottom code and put it on the seat. When he hurried to the market to buy shoes, he forgot to take the measured size. He picked up his shoes and remembered, "I forgot to measure." So, I ran back to get the bottom sample. By the time he came back, the market had already dispersed and the shoes had not been bought. Someone asked him, "Why don't you try on your shoes with your own feet?" He said, "I would rather trust my own size than my own feet." Carving a boat for a sword "A Chu man crossed the river by boat and accidentally dropped his sword into the river. He quickly carved a mark on the side of the boat and said, "This is where my sword fell. "After the ship docked, the man went down to the water to find the sword along the mark carved on the side of the ship, but he didn't find it for a long time. The ship has gone a long way, but the sword is still in its original place. Isn't it silly to find a sword like this?