1. Schweitzer, the father of Africa, said that when compassion is not limited to human beings, but can be expanded to include all living things, the most magnificent and profound glory of humanity can be achieved.

2. Indian Mahatma Gandhi once said that whether a country’s morality is great can be seen from its attitude towards animals.

3. Mark Twain said, if you take care of a hungry dog, give it food, and let it live a good life, the dog will never bite you back. This is the main difference between dogs and humans.