In the course of evolution, it constantly happens that, independently of each other, two different forms of life take similar, parallel paths in adapting themselves to the same external circumstances.

Konrad Lorenz

Konrad Lorenz

Profession: Scientist
Nationality: Austrian

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

From a neighbour, I got a one-day-old duckling and found, to my intense joy, that it transferred its following response to my person. At the same time, my interest became irreversibly fixated on water fowl, and I became an expert on their behaviour even as a child.

It is a good morning exercise for a research scientist to discard a pet hypothesis every day before breakfast. It keeps him young.

The father-mother family with two children isolated in a city flat is already insufficient.

Every man gets a narrower and narrower field of knowledge in which he must be an expert in order to compete with other people. The specialist knows more and more about less and less and finally knows everything about nothing.

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

I consider early childhood events as most essential to a man's scientific and philosophical development.

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

When I was about ten, I discovered evolution by reading a book by Wilhelm Boelsche and seeing a picture of Archaeopteryx.

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

I owe undying gratitude to my patient parents.

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

We do not take humor seriously enough.

Practically all animals which move fast in a homogeneous medium have found means of giving their body a streamlined shape, thereby reducing friction to a minimum.