Answer:
This quote is by Immanuel Kant and is meant to defend animals from the cruel actions of men.
Step-by-step explanation:
German Immanuel Kant was one of the most influential philosophers of all time. Kant opposed Utilitarianism, an ethical theory that reduced the rights or wrongs of an action to how positive or negative the outcome of said action was, which could lead to vile actions since nothing was really wrong unless it had bad consequences.
To Kant, animals were deserving of good treatment, and he believed that a man who is cruel to animals is also cruel to other men.