spectacles cannot see. Enlarge and so place these lenses that I can see bacteria, or the mountains of the moon, yet this microscope or this telescope has no more life nor sight than this single lens. I, with it, see the minute creation or examine the distant planet. It is but the extension of my eye.
This pen and paper and this book are but the means by which I reach and reason with my fellow-men. They are but my tools to convey my thought. I am reasoning with you, not this paper and ink.
My hand is the natural tool with which I labor. I may work in the garden and plant the seed and destroy the weeds with my hand alone, and there is no dispute but that I do the work. I take a small weeder in my hand and greatly increase my efficiency. I take a hoe and reach out further and greatly add to my efficiency. I am the efficient agent. There is no power in the weeder or the hoe. I take my plow, as my tool, and I tear up the soil and prepare it for my harvest. I take the complicated