“Ask the experimenters why they experiment on animals and the answer is: ‘Because animals are like us.’
Ask the experimenters why it is morally okay to experiment on animals, and the answer is: ‘Because the animals are not like us.’
Animal experimentation rests on a logical contradiction.”
Charles R. Magel
Crip HumAnimal 
It is so an evidence ! and so well said.
Maybe this is here the Gordian knot where rest all discriminations : in what others are where we can recognize us while we are not them.
K&M
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