Every mutation through a new combination of genetic factors that provides the organism with a new opportunity for coming to terms with the conditions….

I see the creative accomplishments of which highly gifted humans are capable as special cases of the universal creative process, that game played by ….

I would rather have a Scot come from Scotland togovern the people of this kingdom well and justly, than that you should govern them ill in the sight ….

The truth about an animal is far more exciting and altogether more beautiful than all the myths woven about it..

Visualize yourself confronted with the task of killing, one after the other, a cabbage, a fly, a fish, a lizard, a guinea pig, a cat, a dog, a monkey….

In nature we find not only that which is expedient, but also everything which is not so inexpedient as to endanger the existence of the species..

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

Philosophers are people who know less and less about more and more, until they know nothing about everything. Scientists are people who know more and….

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 co….

The fidelity of a dog is a precious gift..

I believe-and human psychologists, particularly psychoanalysts should test this-that present-day civilized man suffers from insufficient discharge of….

More than any other product of human scientific culture scientific knowledge is the collective property of all mankind..

Barking dogs may occasionally bite, but laughing men hardly ever shoot!.

Most of the vices and mortal sins condemned today correspond to inclinations that were purely adaptive or at least harmless in primitive man.

It ought to be realized by all dog owners that obesity shortens a dog's life quite considerably, a life which is much too short anyhow..

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 ….

Few animals display their mood via facial expressions as distinctly as cats..

Man appears to be the missing link between anthropoid apes and human beings..

The distance at which all shooting weapons take effect screens the killer against the stimulus sensation which would otherwise activate his killing i….

All too willingly man sees himself as the centre of the universe, as something not belonging to the rest of nature but standing apart as a different ….

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