Who said "To be radical means to grasp things by the root."?

This quote is attributed to Mao Zedong.

To be radical means to grasp things by the root. - Mao Zedong

"To be radical means to grasp things by the root."

Mao Zedong Philosophy

Communist Leader, Dictator Chinese 1893–1976

"It is right to rebel against the reactionaries."

"Women hold up half the sky."

"All reactionaries are paper tigers."

"Guerrilla warfare will be the only way."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."