Who said "Fear is conquered by action, not by contemplation."?

This quote is attributed to Che Guevara.

Fear is conquered by action, not by contemplation. - Che Guevara

"Fear is conquered by action, not by contemplation."

Che Guevara Fear

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."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."