Quotes from Konrad Lorenz

I believe that present day civilized man suffers from insufficient discharge of his aggressive drive

All scientific knowledge to which man owes his role as master of the world arose from playful activities.

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

Whenever we find, in two forms of life that are unrelated to each other, a similarity of form or of behaviour patterns which relates to more than a few minor details, we assume it to be caused by parallel adaptation to the same life-preserving function.

"The bond with a dog is as lasting as the ties of this earth can ever be."

Evil, by definition, is that which endangers the good, and the good is what we perceive as a value.

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

Truth in science can be defined as the working hypothesis best suited to open the way to the next better one.