Who said "To understand the present, we must study the past deeply."?

This quote is attributed to Mao Zedong.

To understand the present, we must study the past deeply. - Mao Zedong

"To understand the present, we must study the past deeply."

Mao Zedong Knowledge

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."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."