Do you know what the connection between the two writers is? Seems to me that the quote is neither here nor there, but I haven't found anything solid to confirm who said what.

https://en.wikiquote.org/wiki/John_Steinbeck#Disputed

> "John Steinbeck once said that socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires", Wright, Ronald (2004). A Short History of Progress. Toronto: Anansi Press. pp. 124.