 It's also like in China, in ancient times, it's also mentioned that there is a relationship between causes and conditions. And everyone actually explains it quite well. But, how to say, the relationship between causes and conditions is also quite complex. But it does have a very profound truth. But I don't really understand it now. So, it's also the end of the show. I want to ask everyone, why do you think people were born with the idea of philosophy?