Now, ideas are the raw material of progress. Everything first takes shape in the form of an idea. But an idea itself is worth nothing. An idea, like a machine, must have power applied to it before it can accomplish anything. The men who have won fame and fortune through having an idea are those who devoted every ounce of their strength and every dollar they could muster to putting it into operation. Ford had a big idea, but he had to sweat and suffer and sacrifice to make it work.
If there is any one proof of a man's incompetence, it is the stagnant mentality of a worker who, doing some small routine job in a vast undertaking, does not care to look beyond the lever of a machine, does not choose to know how the machine got there or what makes his job possible, and proclaims that the management of the undertaking is parasitical and unnecessary.
There is a technique, a knack, for thinking, just as there is for doing other things. You are not wholly at the mercy of your thoughts, any more than they are you. They are a machine you can learn to operate.