Except that it doesn’t appear to have been written in 1931.

It was from a 1984 sermon by Southern Baptist preacher Adrian Rogers who also supported slavery , and is a quote from American far-right political organiser and clergyman Gerald L.K. Smith. Who lobbied for the release of all Nazi war criminals, and denied the Holocaust.

(https://en.wikipedia.org/wiki/Adrian_Rogers)

Also I’m pretty sure that countries with relatively high taxation haven’t seen half of their population decide to stop working. In fact Sweden is apparently the second highest source of startups behind Silicon Valley for example ( http://www.telegraph.co.uk/finance/newsbysector/mediatechnologyandtelecoms/11689464/How-Sweden-became-the-startup-capital-of-Europe.html).
In addition to their general economic resilience and productivity.