Expressing your healthy mind and body through your work is a joy of life, as refreshing as green grass. Every time you receive a paycheck, try to look back and see whether you have worked with the mindset of earning three times your wages for the company. If you can do this, you are a wise person, for you only receive the results of the causes that you have planted.
— Jae Woong Kim, Polishing the Diamond, Enlightening the Mind by Jae Woong Kim, Yoon Sang Han, translator