The greatness of a nation can be judged by the way its animals are treated.

The love for all living creatures is the most noble attribute of man.
The love of all living creatures is the most noble attribute of man.
The better I get to know men, the more I find myself loving dogs.
Until one has loved an animal, a part of one's soul remains unawakened.
Animals are such agreeable friends—they ask no questions; they pass no criticisms.

I care not much for a man's religion whose dog and cat are not the better for it.
We can judge the heart of a man by his treatment of animals.
The more I learn about people, the more I like my dog.
Animals are my friends... and I don't eat my friends.

Animals, whom we have made our slaves, we do not like to consider our equal.