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 more about less and less, until they know everything about nothing.

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.

Every mutation through a new combination of genetic factors that provides the organism with a new opportunity for coming to terms with the conditions of its environment signifies no more and no less than that new information about this environment has got into that organic system. Adaptation is essentially a cognitive process.

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

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

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

We had better dispense with the personification of evil, because it leads, all too easily, to the most dangerous kind of war: religious war.