This historical quotation is from a report by the Gas Turbine Committee of the U.S. National Academy of Sciences. They'll never build 'em any bigger.
Airplanes are interesting toys but of no military value.
Professor Goddard does not know the relation between action and reaction and the need to have something better than a vacuum against which to react. He seems to lack the basic knowledge ladled out daily in high schools. Nobody will fly for a thousand years. His first jet propulsion concept was a stream of air driven by a low-pressure compressor, in turn driven by a piston engine. Mathematics up to the present day has been quite useless to us in regard of flying.