If one retains doubts about the benefit of trying anything other than gold, there is still an important reason to advocate private currency competition over a government gold standard, and that is the practical execution of the standard.
Yet his new plans need to be judged by the same practical, non-ideological standard as past arms-control agreements: do they produce greater stability and security?
John Maynard Keynes, as opposed to modern Keynesians, was a practical man and was quite clear in his earlier writings about the importance of a monetary standard.
He then went on to explain how those who considered practical physics from new perspectives had a way of taking science and its application beyond the limits of what standard approaches found to be possible.