The fact that the regions of nature actually covered by known laws are few and fragmentary is concealed by the natural tendency to crowd our experien….

That our knowledge only illuminates a small corner of the Universe, that it is incomplete, approximate, tentative and merely probable need not concer….

It is really just as bad technique to make a measurement more accurately than is necessary as it is to make it not accurately enough..

The material universe must consist ... of bodies ... such that each of them exercises its own separate, independent, and invariable effect, a change ….

The first thing the reasonable man must do is to be content with a very little knowledge and a very great deal of ignorance. The second thing he must….

But it seems to me equally obvious that the orderliness is not all-pervasive. There are streaks of order to be found among the chaos, and the nature ….