This struggle must be organised, according to "all the rules of the art", by people who are professionally engaged in revolutionary activity. -- Lenin, What Is To Be Done?, "The Primitiveness of the Economists and the Organization of the Revolutionaries" (1904)

Without such thorough, circumspect and long preparations [since 1903], we could not have achieved victory in October 1917, or have consolidated that victory. -- Lenin, Left-Wing Communism: An Infantile Disorder (1920)

We fully regard civil wars, i.e., wars waged by the oppressed class against the oppressing class, slaves against slave-owners, serfs against land-owners, and wage-workers against the bourgeoisie, as legitimate, progressive and necessary. -- Lenin, Socialism and War (1915)

War unleashes - at the same time as the reactionary forces of the capitalist world - the generating forces of social revolution which ferment in its depths. -- Rosa Luxemburg, In the Storm (1904)

Communists should set an example in study; at all times they should be pupils of the masses as well as their teachers. -- "The Role of the Chinese Communist Party in the National War" (October 1938), Mao Zedong Selected Works, Vol. II, p. 198.

To remain at home and not vote is behind the political situation. It is insufficient. -- Mansoor Hekmat, 'Election Day': A Day of Protest (2001)

There is no small enemy nor insignificant force, because no longer are there isolated peoples. -- Che Guevara, Speech to the United Nations (1964)

The seizure of power by armed force, the settlement of the issue by war, is the central task and the highest form of revolution. -- Mao Zedong, Problems of War and Strategy (1938)

We must thoroughly clear away all ideas among our cadres of winning easy victories through good luck, without hard and bitter struggle, without sweat and blood. -- "Build Stable Base Areas in the Northeast" (December 28, 1945), Mao Zedong Selected Works, Vol. IV, p. 84.

We Communists...stand for the organizational unity of the labor movement; we stand for a great single mass Party of the proletariat. -- Bela Kun, The Most Burning Question: Unity of Action (1934)

In all forms of society there is one specific kind of production which predominates over the rest, ... a general illumination which bathes all the other colours and modifies their particularity. -- Marx, The Grundrisse (1857)

The rich will do anything for the poor but get off their backs. -- Karl Marx

These parts of the work should be called: "a best means for getting a headache!" -- Lenin, Conspectus of Hegel's Logic (1914)

It is the duty of the revolution to put an end to compromise, and to put an end to compromise means taking the path of socialist revolution. -- Lenin, Speech On The Agrarian Question November 14 (1917)

Prisons are universities of crime, maintained by the state. -- Peter Kropotkin

All forms of the state have democracy for their truth, and for that reason are false to the extent that they are not democracy. -- Marx, Critique of Hegel's Philosophy of Right (1843)

In a higher phase of communist society, ... - only then then can the narrow horizon of bourgeois right be crossed in its entirety and society inscribe on its banners: From each according to his ability, to each according to his needs! -- Marx, Critique of the Gotha Program (1875)

The writer may very well serve a movement of history as its mouthpiece, but he cannot of course create it. -- Karl Marx

What we need is an enthusiastic but calm state of mind and intense but orderly work. -- "Problems of Strategy in China's Revolutionary War" (December 1936), Mao Zedong Selected Works, Vol. I, p. 211.

The question whether objective truth can be attributed to human thinking is not a question of theory but is a practical question. -- Marx, Theses On Feuerbach: Thesis 2 (1845)

The hand-mill gives you society with the feudal lord; the steam-mill society with the industrial capitalist. -- Marx, Poverty of Philosophy (1847)

The Socialists of oppressed nations must, in their turn, unfailingly fight for the complete (including organisational) unity of the workers of the oppressed and oppressing nationalities. -- Lenin, Socialism and War (1915)

Capital, created by the labour of the worker, crushes the worker, ruining small proprietors and creating an army of unemployed. -- Lenin, The Three Sources and Three Component Parts of Marxism (1913)

Everyone who knows anything of history also knows that great social revolutions are impossible without the feminine ferment. Social progress may be measured precisely by the social position of the fair sex (plain ones included). -- Marx, Letter to Kugelmann (1868)

Workers in the bourgeois countries must fight for equal rights for men and women. -- Nadezhda K. Krupskaya, Preface to The Emancipation of Women in Writings of V.I. Lenin (1933)

Labour is ... not the only source of material wealth, ie of the use-values it produces. As William Petty says, labour is the father of material wealth, the earth is its mother. -- Marx, Capital, Volume I, Chapter One (1867)

War cannot be abolished unless classes are abolished and Socialism is created. -- Lenin, Socialism and War (1915)

All official and liberal science defends wage-slavery, whereas Marxism has declared relentless war on that slavery. -- Lenin, The Three Sources and Three Component Parts of Marxism (1913)

Capital is money, capital is commodities. By virtue of it being value, it has acquired the occult ability to add value to itself. It brings forth living offspring, or, at the least, lays golden eggs. -- Karl Marx

Every Communist must grasp the truth; "Political power grows out of the barrel of a gun." -- "Problems of War and Strategy" (November 6, 1938), Mao Zedong Selected Works, Vol. II, p. 224.