He thought about the problem from a utilitarian perspective.

He is a pure utilitarian, all his actions are based on the pursuit of profit.

His new book provides a detailed authentic account of his life.

Before starting his new business, he said, 'A journey of a thousand miles begins with a single step.'

He lost the match, but through that experience, he won the game of self-growth.

The sword is a major character in this story.

When you pull this vine, a secret door opens.

His words sometimes have a double-edged sword-like duality.

He predicted the result of the competition using the tortoise and hare algorithm.