John Playfair Quote

To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found in the mineral kingdom, is the proper object of a Theory of the Earth.

Illustrations of the Huttonian Theory of the Earth (1802)

To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found in the...

To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found in the...

To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found in the...

To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found in the...