Quote by Leon Trotsky
"A person who doubts himself is like a man who would enlist in the army of his enemies."
More from Leon Trotsky
"Life is not an empty abstraction in which man is free to move about in any direction he pleases."
"The permanent revolution, so to speak, is the derivative of the law of uneven and combined development of mankind."
"Defeatism is the enemy of the revolution."
"Without a revolutionary theory there can be no revolutionary movement."