People must have renounced, it seems to me, all natural intelligence to dare to advance that animals are but animated machines.... It appears to me, besides, that such people can never have observed with attention the character of animals, not to have distinguished among them the different voices of need, of suffering, of joy, of pain, of love, of anger, and of all their affections. It would be very strange that they should express so well what they could not feel.
Blasphemy is an artistic effect, because blasphemy depends upon a philosophical conviction. Blasphemy depends upon belief and is fading with it. If any one doubts this, let him sit down seriously and try to think blasphemous thoughts about Thor.
Life is life - whether in a cat, or dog or man. There is no difference there between a cat or a man. The idea of difference is a human conception for man's own advantage.