Quote by Upton Sinclair
"The greatest threat to our freedom comes not from external enemies, but from the indifference of those who benefit from the status quo."
More from Upton Sinclair
"It is difficult to get a man to understand something, when his salary depends on his not understanding it."
"The American system of ours gives each and every one of us a great opportunity."
"There is one thing that the American people always rise up and do--when they get ready."
"I am nothing in this world but a writing machine."