If you can't say it simply and clearly, keep quiet, and keep working on it till you can.

In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality.

For myself, I am interested in science and in philosophy only because I want to learn something about the riddle of the world in which we live, and the riddle of man's knowledge of that world. And I believe that only a revival of interest in these riddles can save the sciences and philosophy from an obscurantist faith in the expert's special skill and in his personal knowledge and authority.

Reason like science, grows by way of mutual criticism; the only possible way of planning its growth is to develop those institutions that safeguard. the freedom of thought

It is not possible to write clearly enough to avoid being misrepresented by people who are sufficiently determined to do so.

Historically speaking all - or very nearly all - scientific theories originate from myths.

The only way to test a hypothesis is to look for all the information that disagrees with it.