The peaks of science may appear to be floating in the clouds, but their foundations are in the hard facts of experience.


Scientific Explanation, Chapter XI (p. 354), At The University Press. 1959


The peaks of science may appear to be floating in the clouds, but their foundations are in the hard facts of experience.

The peaks of science may appear to be floating in the clouds, but their foundations are in the hard facts of experience.

The peaks of science may appear to be floating in the clouds, but their foundations are in the hard facts of experience.

The peaks of science may appear to be floating in the clouds, but their foundations are in the hard facts of experience.