Silkworms in spring will weave until they die, and candles will drain the wick every night. Thank you, teacher. Your inculcation is like spring breeze, like Seo Woo, which will always impress me.

An inch of time costs an inch of gold, but an inch of gold can't buy an inch of time. I hope you cherish your time and do everything in a down-to-earth manner.

The strength developed by a person with faith is greater than that of 99 people who are only interested. The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold.