He started a business without a plan, forgetting the lesson of 'peach and chestnut seeds take three years to bear fruit, persimmons eight years.'

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

He was diagnosed with amyotrophic lateral sclerosis.

He is doing a special exercise to strengthen his extensor carpi radialis brevis.

The extensor carpi radialis longus is a part of the arm muscles and helps in the movement of the wrist.

This is a model of a mutetrahedron.

This mutetrahedron has a very unusual shape.