Book (Practical) Ethics and ethics Introduction to the Correct Solitary Mind for Living Calmly without Crowds

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Ethics and Ethics
"I wonder if I can make 100 friends when I enter elementary school." I guess everyone has heard this phrase at least once when I entered elementary school. "It's better to have many friends" and "You have to get along with your friends." When I was a student, I didn't have many friends. For me who didn't have many friends when I was a student, this phrase has remained like a spell. More than 10 years have passed since I entered the society. I can communicate at a minimum, but I still have trouble with people. In that situation, I came across a video of Cosmetic Tanaka. There are many black histories on the screen that surpass me. However, Mr. Tanaka looks like something like that. Where does this "feeling of peace of mind" come from? I suddenly became interested and began to explore his life. The answer is this book.