We can judge the heart of a man by his treatment of animals.
I care not for a man's religion whose dog and cat are not the better for it.
The greatness of any nation can be judged by how it treats its weakest member.
Animals are such agreeable friends—they ask no questions; they pass no criticisms.
The greatness of art is not to find what is common but what is unique.
The more I learn about people, the more I like my dog.
The question is not, 'Can they reason?' nor, 'Can they talk?' but 'Can they suffer?'
Until one has loved an animal, a part of one's soul remains unawakened.
The love for all living creatures is the most noble attribute of man.