Who said "The working class is the most advanced class."?

This quote is attributed to Mao Zedong.

The working class is the most advanced class. - Mao Zedong

"The working class is the most advanced class."

Mao Zedong Work

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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."