Life is a game of chess, thus it is useful to learn strategy to play it.
If you run a business, you will know that it exists in a competitive atmosphere. But, so is life, for as Heraclitus says: “strife is justice”, and thus life is like chess, that often requires the mind of a general to play it.
Sun Tzu is an ancient Chinese general who is associated with a work called the Art of War. There is an excellent web site that offers the text and comment on that text, worthy of study. Sun Tzu may offer knowledge that can be useful to a business or to life.