Ogura Hyakunin Isshu is one of the classical literatures of Japan.

He said, 'If you want to shoot a man, first shoot his horse,' and began to solve the smaller problems first.

The 24-cell is one of the geometric shapes in four dimensions.

The 120-cell is one of the regular polytopes in four dimensions.

The 正百二十胞體 is one of the regular polytopes in four dimensions.

The 正二十四胞體 is one of the regular polytopes in four dimensions.

He said, 'It's difficult to make a life,' explaining the phrase 'When a man steps over the threshold, he has seven enemies.'

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.

He faced difficulties with the spirit of 'one eye, two feet, three gallbladders, four strengths'.

He said, 'The advantages of heaven and earth are nothing compared to the harmony among people,' emphasizing the importance of teamwork.