No one fully understands electricity but billions of people use it and enjoy the benefits of this remarkable energy. Indeed, most people have very little idea of what electricity is, yet they light their houses and run myriad machines with it. The tremendous power of electricity waits in attendance to do what people direct.

Now, consider this. When you enter your house in the evening and find your house dark, do you phone the power company and tell them your house is dark, requesting they do something about it? No, of course not. You simply go to a light switch, and whether you understand electricity or not, your room and the whole house can be filled with light. You can even ask your young child, who perhaps cannot even read, to fill the room with light simply by flipping a switch. The little one who has no knowledge of the power of electricity will nevertheless experience its benefit by clicking the switch.

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