How can I develop a cheerful, open-minded, cheerful and selfless personality?

Follow the Ten four letter word: "Don't act on the small good, and don't act on the small evil";

Experience the true meaning of the sixteen characters: "All rivers run into the sea, tolerance is great, the wall stands tall, and the desire is strong".

If you understand the essence of the above 3 words, you will not only be an open-minded and cheerful personality, but also feel like a fire to warm others anytime and anywhere. . . .