Backlock, a poet blind from his birth, could describe visual...

Backlock, a poet blind from his birth, could describe visual objects with accuracy; Professor Sanderson, who was also blind, gave excellent lectures on color, and taught others the theory of ideas which they had and he had not. In the social sphere these gifted ones are mostly women; they can watch a world which they never saw, and estimate forces of which they have only heard. We call it intuition.