Joseph Priestley Quote

The greater is the circle of light, the greater is the boundary of the darkness by which it is confined.


Experiments and Observations on Different Kinds of Air (Volume 1), The Preface (p. xix)


The greater is the circle of light, the greater is the boundary of the darkness by which it is confined.

The greater is the circle of light, the greater is the boundary of the darkness by which it is confined.

The greater is the circle of light, the greater is the boundary of the darkness by which it is confined.

The greater is the circle of light, the greater is the boundary of the darkness by which it is confined.