Shizuka is my best friend.

Fumitsuka is my best friend.

The optic tract plays a crucial role in transmitting visual information to the brain.

He likes to take a walk in the park at dusk.

Einstein proposed the theory of relativity.

He is an expert in theoretical physics.

He is immersed in the study of the fasiculus arcuatus.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

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

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'