Quote by Upton Sinclair
"The very first requirement for success is to believe in yourself and your mission."
"The very first requirement for success is to believe in yourself and your mission."
"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."