What constitutes proof in one generation is not the same thing as proof in another.


Of Men and Galaxies, Motives and Aims of the Scientist (pp. 16-17)


What constitutes proof in one generation is not the same thing as proof in another.

What constitutes proof in one generation is not the same thing as proof in another.

What constitutes proof in one generation is not the same thing as proof in another.

What constitutes proof in one generation is not the same thing as proof in another.