Invention breeds invention. No sooner is the electric telegraph devised than gutta-percha, the very material it requires, is found. The aeronaut is provided with gun-cotton, the very fuel he wants for his balloon.
If we will take the good we find, asking no questions, we shall have heaping measures. The great gifts are not got by analysis. Everything good is on the highway. The middle region of our being is the temperate zone.