«If commerce is the engine of our economy, then advertising is the spark. Responsible advertisers are the drivers who keep us on the right track, leading to a richer, more benevolent society.»

«Careers, like rockets, don't always take off on time. The trick is to always keep the engine running.»

«Hell must be isothermal; for otherwise the resident engineers and physical chemists (of which there must be some) could set up a heat engine to run a refrigerator to cool off a portion of their surroundings to any desired temperature»

«Huddled in dirt the reasoning engine lies who was so proud, so witty, so wise»

«Before I put a sketch on paper, the whole idea is worked out mentally. In my mind I change the construction, make improvements, and even operate the device. Without ever having drawn a sketch I can give the measurements of all parts to workmen, and when completed all these parts will fit, just as certainly as though I had made the actual drawings. It is immaterial to me whether I run my machine in my mind or test it in my shop. The inventions I have conceived in this way have always worked. In thirty years there has not been a single exception. My first electric motor, the vacuum wireless light, my turbine engine and many other devices have all been developed in exactly this way.»

«Education is the great engine of personal development. It is through education that the daughter of a peasant can become a doctor, that a son of a mineworker can become the head of the mine, that a child of farm workers can become the president of a»

«A bill, by the bye, is the most extraordinary locomotive engine that the genius of man ever produced. It would keep on running during the longest lifetime, without ever once stopping of its own accord.»

«In health of mind and body, men should see with their own eyes, hear and speak without trumpets, walk on their feet, not on wheels, and work and war with their arms, not with engine-beams, nor rifles warranted to kill twenty men at a shot before you can see them.»

«But that two-handed engine at the door, / Stands ready to smite once, and smite no more.»

«But a short time elapsed after the death of the great reformer of the Jewish religion, before his principles were departed from by those who professed to be his special servants, and perverted into an engine for enslaving mankind, and aggrandizing their oppressors in Church and State.»