The fruit falls to be food for man.
The harvests lend man strength for his commerce, his government, his culture and conscience.

The lower dies vicariously that the higher may live.

Thus nature achieves her gifts only through vast expenditures.
It is said that each of the new guns for the navy costs $100,000.

But the gun survives only a hundred explosions, so that every shot costs $1,000.

Tyndall tells us that each drop of water sheathes electric power sufficient to charge 100,000 Leyden jars and blow the Houses of Parliament to atoms.