2. 1. Fish can't live without water. The freedom of fish without water on shore is a kind of freedom to wait for death. In other words, freedom is conditional, and it is freedom under certain conditions, not arbitrary and unlimited.

2. Frogs can only be frogs, not galloping horses. This is because this is a condition agreed by the animals themselves. At best, parrot-learned, painting a tiger is not a dog.

3. Flies wearing masks cannot change the nature of flies, nor can they become other advanced animals. To put it bluntly, this shows that the golden jade is outside, and it also shows that people want to improve their inner self, not their appearance.