But if you want to improve your spiritual quality, I think you can read through one of them, which will help you more. Just like the Book of Changes, everyone will have a different understanding when reading the Book of Changes, because everyone's living and growing environment is different.
I like a sentence in Sun Tzu's Art of War, that is, attack the army first, then cut the enemy, then cut the soldiers, and then attack the city. You can combine this sentence to see that there are countless such examples in life. Including big country games. But if you understand the essence of books, your perspective and vision will change greatly.