In these days when science is clearly in the saddle and when our knowledge of disease is advancing at a breathless pace, we are apt to forget that not all can ride and that he also serves who waits and who applies what the horseman discovers.

The scientific spirit is of more value than its products, and irrationally held truths may be more harmful than reasoned errors.

I have oft-times been besought, by divers gentlemen, to set down on paper what I have beheld through my newly invented microscopia, but I have generally declined.

Science itself is badly in need of integration and unification. The tendency is more and more the other way ... Only the graduate student, poor beast of burden that he is, can be expected to know a little of each. As the number of physicists increases, each specialty becomes more self-sustaining and self-contained. Such Balkanization carries physics, and indeed, every science further away, from natural philosophy, which, intellectually, is the meaning and goal of science.

Just one living cell in the human body is, more complex than New York City.

Science is history arranged according to the superstition and taste of the moment. The vocabulary of scholars has no wit, no salt. These heavy tomes have no soul, they are filled with distress.