Oliver Wendell Holmes, Jr.

“ For after including automobile truck, automobile wagon and motor cycle, the words 'any other self-propelled vehicle not designed for running on rails' still indicate that a vehicle in the popular sense, that is a vehicle running on land is the theme. It is a vehicle that runs, not something, not commonly called a vehicle, that flies. ”

“ It is impossible to read words that so carefully enumerate the different forms of motor vehicles and have no reference of any kind to aircraft, as including airplanes under a term that usage more and more precisely confines to a different class. The counsel for the petitioner have shown that the phraseology of the statute as to motor vehicles follows that of earlier statutes of Connecticut, Delaware, Ohio, Michigan and Missouri, not to mention the late Regulations of Traffic for the District of Columbia, title 6, c. ”

“ Although it is not likely that a criminal will carefully consider the text of the law before he murders or steals, it is reasonable that a fair warning should be given to the world in language that the common world will understand, of what the law intends to do if a certain line is passed. ”