He warned the young people, saying 'At thirty, one should not be careless, at forty, one should not be indecisive.'

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

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

He explained the importance of studying while young, saying 'If you do not study when you are young, it will be difficult to learn when you are old.'

This work is almost finished.

She plays a character named Maiko.

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

This shape is called a great icosihemidodecahedron.

He worked hard without giving up.

He stood up against the enemy.