Who said "Nothing can stop an idea whose time has come."?

This quote is attributed to Che Guevara.

Nothing can stop an idea whose time has come. - Che Guevara

"Nothing can stop an idea whose time has come."

Che Guevara Inspiration

Revolutionary, Guerrilla Leader Argentine-Cuban 1928–1967

"The true revolutionary is guided by a great feeling of love. It is impossible to think of a genuine revolutionary lacking this quality."

"At the risk of seeming ridiculous, let me say that the true revolutionary is guided by a great feeling of love."

"Hasta la victoria siempre (Until victory always)."

"One person with a gun can control 100 without one."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"