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."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."