[T]he moralists of Europe [have] pretended that beasts have no rights... a doctrine revolting/gross/barbarous... on which a native of the Asiatic uplands could not look without righteous horror.
Clothes therefore, must be the insignia of the superiority of man over all other animals, for surely there could be no other reason for wearing the hideous things
Now and then we hear the wilder voices of the wilderness, from animals that in the hours of darkness do not fear the neighborhood of man: the coyotes wail like dismal ventriloquists, or the silence may be broken by the snorting and stamping of a deer.
The virtue of a faculty is related to the special function which that faculty performs. Now there are three elements in the soul which control action and the attainment of truth: namely, Sensation, Intellect, and Desire. Of these, Sensation never originates action, as is shown by the fact that animals have sensation but are not capable of action.
In every part of the universe we observe means adjusted with the nicest artifice to the ends which they are intended to produce; and in the mechanism of a plant, or animal body, admire how every thing is contrived for advancing the two great purposes of nature, the support of the individual, and the propagation of the species.
Man is always something worse or something better than an animal; and a mere argument from animal perfection never touches him at all. Thus, in sex no animal is either chivalrous or obscene. And thus no animal invented anything so bad as drunkeness - or so good as drink.
The Animals of the planet are in desperate peril and they are fully aware of this. No less than human beings are doing in all parts of the world, they are seeking sanctuary.
Man is a rope stretched between the animal and the Superman-a rope over an abyss. A dangerous crossing, a dangerous wayfaring, a dangerous looking-back, a dangerous trembling and halting
The fact that man knows right from wrong proves his intellectual superiority to the other creatures; but the fact that he can do wrong proves his moral inferiority to any creatures that cannot.
war with poison and chemicals was not so rare in the ancient world ... An astounding panoply of toxic substances, venomous creatures, poison plants, animals and insects, deleterious environments, virulent pathogens, infectious agents, noxious gases, and combustible chemicals were marshalled to defeat foes - and panoply is an apt term here, because it is the ancient Greek word for 'all weapons.