The object of natural science is the connection of phenomena; but the theories are like dry leaves which fall away when they have long ceased to be the lungs of the tree of science.


History and Root of the Principle of the Conservation of Energy, Chapter IV (p. 74), The Open Court Publishing Company. 1911


The object of natural science is the connection of phenomena; but the theories are like dry leaves which fall away when they have long ceased to be...

The object of natural science is the connection of phenomena; but the theories are like dry leaves which fall away when they have long ceased to be...

The object of natural science is the connection of phenomena; but the theories are like dry leaves which fall away when they have long ceased to be...

The object of natural science is the connection of phenomena; but the theories are like dry leaves which fall away when they have long ceased to be...