Upton Sinclair’s novel The Jungle depicts the suffering of industrial workers in the Chicago meatpacking district in the early 20th century.
I believe Sinclair's is an often quoted sentence: "It is difficult to get a man to understand something, when his salary depends upon his not understanding it".
I believe Sinclair's is an often quoted sentence: "It is difficult to get a man to understand something, when his salary depends upon his not understanding it".