The fidelity of a dog is a precious gift demanding no less binding moral responsibilities than the friendship of a human being.

Historians will have to face the fact that natural selection determined the evolution of cultures in the same manner as it did that of species.

Most people have forgotten how to live with living creatures, with living systems and that, in turn, is the reason why man, whenever he comes into contact with nature, threatens to kill the natural system in which and from which he live.

Just thinking that my dog loves me more than I love him, I feel shame.

The fidelity of a dog is a precious gift demanding no less binding moral responsibilities than the friendship of a human being.

The appeal of the cat lies in the very fact that she has formed no close bond with [man], that she has the uncompromising independence of a tiger or a leopard while she is hunting in his stables and barns: that she still remains mysterious and remote when she is rubbing herself gently against the legs of her mistress or purring contentedly in front of the fire.

The human mind, in taking us down the path of technocracy, has become the adversary of life itself and collaterally the adversary of the human soul.