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“Insanity is doing the same thing, over and over again, but expecting different results.”
― Narcotics Anonymous

“Cowardice rightly understood begins with selfishness and ends with shame.”
― José Rizal, Noli Me Tángere

“Being afraid you'll look like a coward is the worst reason for doing anything.”
― John Irving, The Cider House Rules

“The important thing is not to stop questioning. Curiosity has its own reason for existence. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery each day.

—"Old Man's Advice to Youth: 'Never Lose a Holy Curiosity.'" LIFE Magazine (2 May 1955) p. 64”
― Albert Einstein