Quote by 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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."