An old man wanted to leave all of his money to one of his three sons, but he didn't know which one he should give it to. He gave each of them a few coins and told them to buy something that would be able to fill their living room. The first man bought straw, but there was not enough to fill the room. The second bought some sticks, but they still did not fill the room. The third man bought two things that filled the room, so he obtained his father's fortune. What were the two things that the man bought?
The wise son bought a candle and a box of matches. After lighting the candle, the light filled the entire room.
Một người mù và một người câm vào trong siêu thị. Người câm muốn mua cục xà phòng thì phải cầm cục xà phòng đó bằng tay trái rồi lấy tay phải chỉ chỉ vào vài lần. Hỏi người còn lại cũng muốn mua cục xà phòng thì làm sao?