"Thoughts in your head are really no different than the sound of a bird outside. It is just that you decide that they are more or less relevant."

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Various philosophers and religious leaders tried to convince their disciples and followers that animals are nothing more than machines without a soul, without feelings. However, anyone who has ever lived with an animal-be it a dog, a bird, or even a mouse-knows that this theory is a brazen lie, invented to justify cruelty.

— Isaac Bashevis Singer