If you want to know the internal contradictions of a thing you must take part in the practice of changing it.
为了认识事物的内部矛盾,不能不参加变革事物的实践。

Politicians
Mao Zedong
Founder of the PRC and first CCP Chairman (1893-1976). A Hunan peasant who co-founded the Party in 1921, he proclaimed the People's Republic in 1949 — and presided over the Great Leap and Cultural Revolution.
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Mao Zedong's Other Quotes
Political power grows out of the barrel of a gun.
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.
Bombard the Headquarters — my big-character poster.
Women hold up half the sky.
Related Quotes
The knowledge and contemplation of nature is somehow defective and incomplete unless action follows.
-- Panaetius
It is not learning that makes people good, but practice.
-- Gaius Musonius Rufus
It is the task of one rightly oriented toward others to draw the circles in toward the centre.
-- Hierocles
It is hard to retain what you learn unless you practice it.
-- Seneca
Waste no more time arguing about what a good man should be. Be one.
-- Marcus Aurelius
All things are ungraspable.
-- Pyrrho