For George Stephenson, the motto of the Stockton and Darlington Railway was a code to live by.
However pure Science may be, a scientist’s head may be turned by ambition, politics or gain, resulting in great harm to social and economic progress. Happily, George Stephenson was not such a man, as Michael Longridge of Bedlington Iron Works testified in a letter (here abridged) to Edinburgh engineer George Buchanan in January 1832.