Friedrich Engels

"The working class is the true inheritor of humanity's future."

"Art reflects the economic base of society, revealing the true interests of those in power."

"Time is the space in which man develops his potential and consciousness."

"The establishment of a communist society requires not the extinction of human nature but its liberation."

"Every historical epoch requires its own understanding of morality and justice."

"Capital is a social power, not a personal one; it creates relations between people."

"The development of productive forces is the material basis for human progress."

"To know the forces that shape history is to become capable of shaping it."

"A spectre is haunting Europe—the spectre of communism; all the powers of old Europe have entered into a holy alliance to exorcise this spectre."

"Workers of the world, unite; you have nothing to lose but your chains."

"Morality is not fixed in heaven but grows from the material conditions of human life."

"The family is a microcosm of class relations and property ownership."

"Youth must learn to question everything, for blind acceptance is the enemy of progress."

"The future belongs to those who understand the laws of historical development."

"Complacency is the death of revolutionary consciousness."

"One cannot change society without first understanding how it is organized."

"The appetite grows with eating, and the desire for liberty with freedom."

"Science and reason are the tools by which humanity can free itself from ignorance and superstition."

"Those who control the means of production control the destiny of nations."

"Survival without dignity is a slow death of the human spirit."

"The pen is a weapon when wielded by those who understand their times."

"Ideas have material force when they grip the minds of millions."

"A person who thinks only of himself and ignores the sufferings of others cannot claim to be fully human."

"Wars are symptoms of deeper economic conflicts between classes and nations."

"The beauty of nature is corrupted by those who seek profit from its exploitation."

"Each generation must fight its own battles for freedom and justice."

"Patience in organization leads to swift action when the moment is right."