Cats are autocrats of naked self-interest. They are both amoral and immoral, consciously breaking rules. Their evil look at such times is no human projection: the cat may be the only animal who savors the perverse or reflects upon it.
To be sure, this requires effort and love, a careful cultivation of the spiritual life, and a watchful, honest, active oversight of all one's mental attitudes towards things and people. It is not to be learned by world-flight, running away from things, turning solitary and going apart from the world. Rather, one must learn an inner solitude, where or with whomsoever he may be. He must learn to penetrate things and find God there, to get a strong impression of God firmly fixed on his mind.