If a man can write a better book, or preach a better sermon, or build a better mousetrap than his neighbor, though he builds his house in the woods, the world will make a beaten path to his door.
A tool is but the extension of a man's hand, and a machine is but a complex tool. And he that invents a machine augments the power of a man and the well-being of mankind.
Great discoveries and improvements invariably involve the cooperation of many minds. I may be given credit for having blazed the trail but when I look at the subsequent developments I feel the credit is due to others rather than to myself.