He proposed a new theory about quantum mechanics.

Thanks to his serendipity, we were able to find a new business opportunity.

Intermolecular forces are an important factor in determining the properties of a substance.

Katoriki is a rare name, isn't it?

We should always remember the power of Kannon in difficult times.

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