“Real revolutionaries adorn themselves on the inside, not on the surface.”
As quoted in Che Guevara: A Revolutionary Life (2010) by John Lee Anderson, p. 178
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Ernesto Che Guevara 258
Argentine Marxist revolutionary 1928–1967Related quotes

“It is in prison … that one becomes a real revolutionary.”
Attributed in "Communists: The Battle over the Tomb" in TIME (24 April 1964).
Attributions

Life Circulars (20 July 1957), p. 77.
General sources
Context: Being the Avatar, I have come to awaken mankind, and would like the entire world to come to me. Real saints are dearest and nearest to my heart. Perfect Ones and lovers of God adorn the world, and will ever do so. The physical presence of the Perfect Masters throughout eternity is not necessarily confined to any particular or special part of the globe. My salutations to all — the past, present and future Perfect Masters, real saints — known and unknown — lovers of God, and to all other beings, in all of whom I reside, whether consciously felt by them or not.

Letter to Malcolm Muggeridge (4 December 1948), quoted in Malcolm Muggeridge: A Life (1980) by Ian Hunter
Source: The Lost Orwell: Being a Supplement to The Complete Works of George Orwell

“I have a meanness inside of me, real as an organ.”
Source: Dark Places

"The Power of Music" (1964), translated in Music Journal, September 1965, p. 37.

“There is no real security except for whatever you build inside yourself.”

“Monsters are real. Ghosts are too. They live inside of us, and sometimes, they win.”
Source: The Shining (1977)