an exact motion day and night, year in and year out. We hang up a
string, and ask gravitation to take hold and pull. We put on some lead
or brass for a handle, to take hold of. It takes hold and pulls,
unweariedly, unvaryingly, and ceaselessly.

It turns single water-wheels with a power of more than twelve hundred
horses.

It holds down houses, so that they are not blown away. It was made to
serve man, and it works without a grumble.

Thus the higher force in nature always prevails over the lower, and the
greater amount over the less amount of the same force. What is the
highest force?




THE FAIRY PULLS GREAT LOADS

Far back in the hills west of Mauch Chunk, Pa., lie great beds of coal.
They were made under the sea long ages ago, raised up, roofed over by
the Allegheny Mountains, and kept waiting as great reservoirs of power
for the use of man.

But how can these mountains be gotten to the distant cities by the sea?
Faith in what power can say to these mountains, "Be thou removed far
hence, and cast into the sea?" It is easy.

Along the winding sides of the mountains have been laid two rails like