He chose a stable job, saying 'a bird in the hand is worth two in the bush.'

This regular dodecahedron is a geometric shape with perfect symmetry.

This solid is called a regular icosahedron, and it is made up of 20 equilateral triangles.

His actions destroyed his family's happiness.

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

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

The 120-cell 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.

This is a model of a muoctahedron.

This is a 六角四片四角孔ねじれ正多面體, in other words, a muoctahedron.