He has always walked the path of sincerity.

Let's cherish every encounter with the spirit of 'once in a lifetime'.

He was reading a book in his room all day.

He searched for a flashlight in the darkness.

Ryuichiro is my best friend.

The strong sense of impatience I feel waiting for his return is painful.

You can manage data using a one-dimensional array.

He performed a circus act on a unicycle.

Vitamin B1 plays an important role in energy production.

This sequence of functions converges uniformly.