Until one has loved an animal, a part of one's soul remains unawakened.
Animals are born who they are, accept it, and that is that. They live with greater peace than people do.
The love for all living creatures is the most noble attribute of man.
I care not for a man's religion whose dog and cat are not the better for it.
The greatness of a nation and its moral progress can be judged by the way its animals are treated.
The animal is ignorant of the fact that he knows. The man is aware of the fact that he is ignorant.
Man is the cruelest animal.
In the end, we will conserve only what we love, we will love only what we understand, and we will understand only what we are taught.
Animals are such agreeable friends—they ask no questions; they pass no criticisms.
The question is not, 'Can they reason?' nor, 'Can they talk?' but rather, 'Can they suffer?'
The smallest feline is a masterpiece.
The more I learn about people, the more I like my dog.
The fate of animals is of greater importance to me than the fear of appearing ridiculous; it is indissolubly connected with the fate of men.
An animal's eyes have the power to speak a great language.
We can judge the heart of a man by his treatment of animals.