Quote by Leon Trotsky
"Humor is often the last refuge of those who cannot openly speak the truth."
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."