I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.

These mysteries about how we evolved should not distract us from the indisputable fact that we did evolve.

Hypotheses like professors, when they are seen not to work any longer in the laboratory, should disappear.

The conflict of theories, leading, as it eventually must, to the survival of the fittest, is advantageous.

Without art, we should have no notion of the sacred; without science, we should always worship false gods.

I have no responsibility to live up to what others expect of me. That's their mistake, not my failing.

Science cannot tell us a word about why music delights us, of why and how an old song can move us to tears.

Man moves in a world that is nothing more or less than his consciousness objectified.–Neville Goddard

The significant problems we have cannot be solved at the same level of thinking with which we created them.

I don't need to travel back in time to cause trouble. Seeing back through time finds me trouble enough!

A great physicist is always a metaphysicist as well; he has a higher concept of his knowledge and his task.

...Once again confirms that there is no such thing as genetically pure classification into different races.

A wise system of education will at least teach us how little man yet knows, how much he has still to learn.

Mr. Watson — Come here — I want to see you.[First intelligible words spoken over the telephone]

...but I still think that to the unprejudiced, the fossil record of plants is in favor of special creation.