1: There are no perfect people and no perfect things in this world.

2: My experience of going to the countryside gave me a lot of things that I can’t learn in books.

3: Most of the time in life, we should save ourselves.

4: Dog nature is simpler than human nature. Because a dog's loyalty has no strings attached, and is beyond the reach of human nature in many situations. When a dog is stepped on, he will not lie or hide his pain, but a human will.

5: The cold and cruel side of human nature is actually worse than any beast.

6: Human life is like running water, it can be dry but not turbid.