A revolution is not a dinner party, or writing an essay, or painting a picture, or doing embroidery. It cannot be so refined, so leisurely and gentle, so temperate, kind, courteous, restrained and magnanimous. A revolution is an insurrection, an act of violence by which one class overthrows another.

If you want to know the internal contradictions of a thing you must take part in the practice of changing it.

Bombard the Headquarters — my big-character poster.

Women hold up half the sky.

The most radical revolutionary will become a conservative the day after the revolution.

-- Hannah Arendt

Art is either a plagiarist or a revolutionary.

-- Paul Gauguin

I have established the semaphore of Suprematism.

-- Kazimir Malevich

A revolution is not a dinner party, or writing an essay, or painting a picture, or doing embroidery. It cannot be so refined, so leisurely and gentle, so temperate, kind, courteous, restrained and magnanimous. A revolution is an insurrection, an act of violence by which one class overthrows another.

-- Mao Zedong

The revolution is not yet complete; comrades must continue to strive.

-- Sun Yat-sen

The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants. It is its natural manure.

-- Thomas Jefferson